Home / 161,753.87-223,221.23-93,811.13

Finding the Fourth Proportional to 161,753.87, 223,221.23 and 93,811.13

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Solution

The fourth proportional to 161,753.87, 223,221.23 and 93,811.13 is: 129,459.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,753.87 : 223,221.23 = 93,811.13 : x
  2. Step 2: Convert to fraction form
    161,753.87/223,221.23 = 93,811.13/x
  3. Step 3: Cross multiply
    161,753.87x = 223,221.23 × 93,811.13
  4. Step 4: Simplify right side
    161,753.87x = 20,940,634,241.13
  5. Step 5: Solve for x
    x = 20,940,634,241.13/161,753.87
  6. Step 6: Final answer
    x = 129,459.86

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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.