Home / 161,177.49-222,425.15-89,555.85

Finding the Fourth Proportional to 161,177.49, 222,425.15 and 89,555.85

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Solution

The fourth proportional to 161,177.49, 222,425.15 and 89,555.85 is: 123,587.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,177.49 : 222,425.15 = 89,555.85 : x
  2. Step 2: Convert to fraction form
    161,177.49/222,425.15 = 89,555.85/x
  3. Step 3: Cross multiply
    161,177.49x = 222,425.15 × 89,555.85
  4. Step 4: Simplify right side
    161,177.49x = 19,919,472,921.85
  5. Step 5: Solve for x
    x = 19,919,472,921.85/161,177.49
  6. Step 6: Final answer
    x = 123,587.19

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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.