Home / 161,758.50-223,229.16-93,780.60

Finding the Fourth Proportional to 161,758.50, 223,229.16 and 93,780.60

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Solution

The fourth proportional to 161,758.50, 223,229.16 and 93,780.60 is: 129,418.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758.50 : 223,229.16 = 93,780.60 : x
  2. Step 2: Convert to fraction form
    161,758.50/223,229.16 = 93,780.60/x
  3. Step 3: Cross multiply
    161,758.50x = 223,229.16 × 93,780.60
  4. Step 4: Simplify right side
    161,758.50x = 20,934,564,562.30
  5. Step 5: Solve for x
    x = 20,934,564,562.30/161,758.50
  6. Step 6: Final answer
    x = 129,418.64

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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.