Home / 161,753.12-223,220.19-93,810.38

Finding the Fourth Proportional to 161,753.12, 223,220.19 and 93,810.38

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Solution

The fourth proportional to 161,753.12, 223,220.19 and 93,810.38 is: 129,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,753.12 : 223,220.19 = 93,810.38 : x
  2. Step 2: Convert to fraction form
    161,753.12/223,220.19 = 93,810.38/x
  3. Step 3: Cross multiply
    161,753.12x = 223,220.19 × 93,810.38
  4. Step 4: Simplify right side
    161,753.12x = 20,940,370,579.15
  5. Step 5: Solve for x
    x = 20,940,370,579.15/161,753.12
  6. Step 6: Final answer
    x = 129,458.83

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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.