Home / 161,766.50-223,211.51-93,770.20

Finding the Fourth Proportional to 161,766.50, 223,211.51 and 93,770.20

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Solution

The fourth proportional to 161,766.50, 223,211.51 and 93,770.20 is: 129,387.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,766.50 : 223,211.51 = 93,770.20 : x
  2. Step 2: Convert to fraction form
    161,766.50/223,211.51 = 93,770.20/x
  3. Step 3: Cross multiply
    161,766.50x = 223,211.51 × 93,770.20
  4. Step 4: Simplify right side
    161,766.50x = 20,930,587,935.00
  5. Step 5: Solve for x
    x = 20,930,587,935.00/161,766.50
  6. Step 6: Final answer
    x = 129,387.65

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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.