Home / 156,784.30-235,176.45-51,613.90

Finding the Fourth Proportional to 156,784.30, 235,176.45 and 51,613.90

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Solution

The fourth proportional to 156,784.30, 235,176.45 and 51,613.90 is: 77,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.30 : 235,176.45 = 51,613.90 : x
  2. Step 2: Convert to fraction form
    156,784.30/235,176.45 = 51,613.90/x
  3. Step 3: Cross multiply
    156,784.30x = 235,176.45 × 51,613.90
  4. Step 4: Simplify right side
    156,784.30x = 12,138,373,772.66
  5. Step 5: Solve for x
    x = 12,138,373,772.66/156,784.30
  6. Step 6: Final answer
    x = 77,420.85

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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.