Home / 156,506.10-215,981.36-96,046.48

Finding the Fourth Proportional to 156,506.10, 215,981.36 and 96,046.48

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Solution

The fourth proportional to 156,506.10, 215,981.36 and 96,046.48 is: 132,545.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,506.10 : 215,981.36 = 96,046.48 : x
  2. Step 2: Convert to fraction form
    156,506.10/215,981.36 = 96,046.48/x
  3. Step 3: Cross multiply
    156,506.10x = 215,981.36 × 96,046.48
  4. Step 4: Simplify right side
    156,506.10x = 20,744,249,373.61
  5. Step 5: Solve for x
    x = 20,744,249,373.61/156,506.10
  6. Step 6: Final answer
    x = 132,545.95

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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.