Home / 156,747.67-216,316.05-92,221.45

Finding the Fourth Proportional to 156,747.67, 216,316.05 and 92,221.45

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Solution

The fourth proportional to 156,747.67, 216,316.05 and 92,221.45 is: 127,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.67 : 216,316.05 = 92,221.45 : x
  2. Step 2: Convert to fraction form
    156,747.67/216,316.05 = 92,221.45/x
  3. Step 3: Cross multiply
    156,747.67x = 216,316.05 × 92,221.45
  4. Step 4: Simplify right side
    156,747.67x = 19,948,979,789.27
  5. Step 5: Solve for x
    x = 19,948,979,789.27/156,747.67
  6. Step 6: Final answer
    x = 127,268.11

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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.