Home / 156,336.38-234,447.12-53,724.60

Finding the Fourth Proportional to 156,336.38, 234,447.12 and 53,724.60

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Solution

The fourth proportional to 156,336.38, 234,447.12 and 53,724.60 is: 80,567.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,336.38 : 234,447.12 = 53,724.60 : x
  2. Step 2: Convert to fraction form
    156,336.38/234,447.12 = 53,724.60/x
  3. Step 3: Cross multiply
    156,336.38x = 234,447.12 × 53,724.60
  4. Step 4: Simplify right side
    156,336.38x = 12,595,577,743.15
  5. Step 5: Solve for x
    x = 12,595,577,743.15/156,336.38
  6. Step 6: Final answer
    x = 80,567.16

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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.