Home / 156,254.96-215,594.52-92,581.76

Finding the Fourth Proportional to 156,254.96, 215,594.52 and 92,581.76

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Solution

The fourth proportional to 156,254.96, 215,594.52 and 92,581.76 is: 127,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,254.96 : 215,594.52 = 92,581.76 : x
  2. Step 2: Convert to fraction form
    156,254.96/215,594.52 = 92,581.76/x
  3. Step 3: Cross multiply
    156,254.96x = 215,594.52 × 92,581.76
  4. Step 4: Simplify right side
    156,254.96x = 19,960,120,107.96
  5. Step 5: Solve for x
    x = 19,960,120,107.96/156,254.96
  6. Step 6: Final answer
    x = 127,740.71

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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.