Home / 161,181.19-222,425.63-89,559.37

Finding the Fourth Proportional to 161,181.19, 222,425.63 and 89,559.37

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Solution

The fourth proportional to 161,181.19, 222,425.63 and 89,559.37 is: 123,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,181.19 : 222,425.63 = 89,559.37 : x
  2. Step 2: Convert to fraction form
    161,181.19/222,425.63 = 89,559.37/x
  3. Step 3: Cross multiply
    161,181.19x = 222,425.63 × 89,559.37
  4. Step 4: Simplify right side
    161,181.19x = 19,920,299,460.74
  5. Step 5: Solve for x
    x = 19,920,299,460.74/161,181.19
  6. Step 6: Final answer
    x = 123,589.48

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Half scale
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Double scale
Find fourth proportional to 161,182.19, 222,427.01 and 89,560.37
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.