Home / 161,116.52-222,336.36-89,494.70

Finding the Fourth Proportional to 161,116.52, 222,336.36 and 89,494.70

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Solution

The fourth proportional to 161,116.52, 222,336.36 and 89,494.70 is: 123,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,116.52 : 222,336.36 = 89,494.70 : x
  2. Step 2: Convert to fraction form
    161,116.52/222,336.36 = 89,494.70/x
  3. Step 3: Cross multiply
    161,116.52x = 222,336.36 × 89,494.70
  4. Step 4: Simplify right side
    161,116.52x = 19,897,924,725.61
  5. Step 5: Solve for x
    x = 19,897,924,725.61/161,116.52
  6. Step 6: Final answer
    x = 123,500.22

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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.