Home / 153,720.38-230,572.26-47,104.64

Finding the Fourth Proportional to 153,720.38, 230,572.26 and 47,104.64

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Solution

The fourth proportional to 153,720.38, 230,572.26 and 47,104.64 is: 70,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,720.38 : 230,572.26 = 47,104.64 : x
  2. Step 2: Convert to fraction form
    153,720.38/230,572.26 = 47,104.64/x
  3. Step 3: Cross multiply
    153,720.38x = 230,572.26 × 47,104.64
  4. Step 4: Simplify right side
    153,720.38x = 10,861,024,167.64
  5. Step 5: Solve for x
    x = 10,861,024,167.64/153,720.38
  6. Step 6: Final answer
    x = 70,654.42

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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.