Home / 156,229.73-215,596.69-84,609.53

Finding the Fourth Proportional to 156,229.73, 215,596.69 and 84,609.53

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Solution

The fourth proportional to 156,229.73, 215,596.69 and 84,609.53 is: 116,760.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,229.73 : 215,596.69 = 84,609.53 : x
  2. Step 2: Convert to fraction form
    156,229.73/215,596.69 = 84,609.53/x
  3. Step 3: Cross multiply
    156,229.73x = 215,596.69 × 84,609.53
  4. Step 4: Simplify right side
    156,229.73x = 18,241,534,610.46
  5. Step 5: Solve for x
    x = 18,241,534,610.46/156,229.73
  6. Step 6: Final answer
    x = 116,760.97

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1.5x scale

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.