Home / 156,818.68-216,394.17-88,822.12

Finding the Fourth Proportional to 156,818.68, 216,394.17 and 88,822.12

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Solution

The fourth proportional to 156,818.68, 216,394.17 and 88,822.12 is: 122,565.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,818.68 : 216,394.17 = 88,822.12 : x
  2. Step 2: Convert to fraction form
    156,818.68/216,394.17 = 88,822.12/x
  3. Step 3: Cross multiply
    156,818.68x = 216,394.17 × 88,822.12
  4. Step 4: Simplify right side
    156,818.68x = 19,220,588,935.04
  5. Step 5: Solve for x
    x = 19,220,588,935.04/156,818.68
  6. Step 6: Final answer
    x = 122,565.69

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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.