Home / 156,373.26-215,789.79-92,673.30

Finding the Fourth Proportional to 156,373.26, 215,789.79 and 92,673.30

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Solution

The fourth proportional to 156,373.26, 215,789.79 and 92,673.30 is: 127,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,373.26 : 215,789.79 = 92,673.30 : x
  2. Step 2: Convert to fraction form
    156,373.26/215,789.79 = 92,673.30/x
  3. Step 3: Cross multiply
    156,373.26x = 215,789.79 × 92,673.30
  4. Step 4: Simplify right side
    156,373.26x = 19,997,951,945.61
  5. Step 5: Solve for x
    x = 19,997,951,945.61/156,373.26
  6. Step 6: Final answer
    x = 127,886.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.