Home / 156,561.60-234,871.68-51,410.88

Finding the Fourth Proportional to 156,561.60, 234,871.68 and 51,410.88

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Solution

The fourth proportional to 156,561.60, 234,871.68 and 51,410.88 is: 77,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,561.60 : 234,871.68 = 51,410.88 : x
  2. Step 2: Convert to fraction form
    156,561.60/234,871.68 = 51,410.88/x
  3. Step 3: Cross multiply
    156,561.60x = 234,871.68 × 51,410.88
  4. Step 4: Simplify right side
    156,561.60x = 12,074,959,755.88
  5. Step 5: Solve for x
    x = 12,074,959,755.88/156,561.60
  6. Step 6: Final answer
    x = 77,125.93

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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.