Home / 161,331.40-222,642.42-89,714.44

Finding the Fourth Proportional to 161,331.40, 222,642.42 and 89,714.44

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Solution

The fourth proportional to 161,331.40, 222,642.42 and 89,714.44 is: 123,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,331.40 : 222,642.42 = 89,714.44 : x
  2. Step 2: Convert to fraction form
    161,331.40/222,642.42 = 89,714.44/x
  3. Step 3: Cross multiply
    161,331.40x = 222,642.42 × 89,714.44
  4. Step 4: Simplify right side
    161,331.40x = 19,974,240,030.54
  5. Step 5: Solve for x
    x = 19,974,240,030.54/161,331.40
  6. Step 6: Final answer
    x = 123,808.76

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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.