Home / 156,979.20-235,425.60-63,494.40

Finding the Fourth Proportional to 156,979.20, 235,425.60 and 63,494.40

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Solution

The fourth proportional to 156,979.20, 235,425.60 and 63,494.40 is: 95,224.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,979.20 : 235,425.60 = 63,494.40 : x
  2. Step 2: Convert to fraction form
    156,979.20/235,425.60 = 63,494.40/x
  3. Step 3: Cross multiply
    156,979.20x = 235,425.60 × 63,494.40
  4. Step 4: Simplify right side
    156,979.20x = 14,948,207,216.64
  5. Step 5: Solve for x
    x = 14,948,207,216.64/156,979.20
  6. Step 6: Final answer
    x = 95,224.13

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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.