Home / 133,565.14-200,316.27-38,770.30

Finding the Fourth Proportional to 133,565.14, 200,316.27 and 38,770.30

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Solution

The fourth proportional to 133,565.14, 200,316.27 and 38,770.30 is: 58,146.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,565.14 : 200,316.27 = 38,770.30 : x
  2. Step 2: Convert to fraction form
    133,565.14/200,316.27 = 38,770.30/x
  3. Step 3: Cross multiply
    133,565.14x = 200,316.27 × 38,770.30
  4. Step 4: Simplify right side
    133,565.14x = 7,766,321,882.78
  5. Step 5: Solve for x
    x = 7,766,321,882.78/133,565.14
  6. Step 6: Final answer
    x = 58,146.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.