Home / 156,998.08-235,507.92-51,890.86

Finding the Fourth Proportional to 156,998.08, 235,507.92 and 51,890.86

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Solution

The fourth proportional to 156,998.08, 235,507.92 and 51,890.86 is: 77,839.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,998.08 : 235,507.92 = 51,890.86 : x
  2. Step 2: Convert to fraction form
    156,998.08/235,507.92 = 51,890.86/x
  3. Step 3: Cross multiply
    156,998.08x = 235,507.92 × 51,890.86
  4. Step 4: Simplify right side
    156,998.08x = 12,220,708,505.61
  5. Step 5: Solve for x
    x = 12,220,708,505.61/156,998.08
  6. Step 6: Final answer
    x = 77,839.86

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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.