Home / 161,126.76-222,347.39-89,511.15

Finding the Fourth Proportional to 161,126.76, 222,347.39 and 89,511.15

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Solution

The fourth proportional to 161,126.76, 222,347.39 and 89,511.15 is: 123,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,126.76 : 222,347.39 = 89,511.15 : x
  2. Step 2: Convert to fraction form
    161,126.76/222,347.39 = 89,511.15/x
  3. Step 3: Cross multiply
    161,126.76x = 222,347.39 × 89,511.15
  4. Step 4: Simplify right side
    161,126.76x = 19,902,570,130.84
  5. Step 5: Solve for x
    x = 19,902,570,130.84/161,126.76
  6. Step 6: Final answer
    x = 123,521.20

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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.