Home / 156,781.27-216,363.66-88,800.20

Finding the Fourth Proportional to 156,781.27, 216,363.66 and 88,800.20

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Solution

The fourth proportional to 156,781.27, 216,363.66 and 88,800.20 is: 122,547.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,781.27 : 216,363.66 = 88,800.20 : x
  2. Step 2: Convert to fraction form
    156,781.27/216,363.66 = 88,800.20/x
  3. Step 3: Cross multiply
    156,781.27x = 216,363.66 × 88,800.20
  4. Step 4: Simplify right side
    156,781.27x = 19,213,136,280.73
  5. Step 5: Solve for x
    x = 19,213,136,280.73/156,781.27
  6. Step 6: Final answer
    x = 122,547.40

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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.