Home / 156,819.66-216,363.47-88,825.83

Finding the Fourth Proportional to 156,819.66, 216,363.47 and 88,825.83

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Solution

The fourth proportional to 156,819.66, 216,363.47 and 88,825.83 is: 122,552.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,819.66 : 216,363.47 = 88,825.83 : x
  2. Step 2: Convert to fraction form
    156,819.66/216,363.47 = 88,825.83/x
  3. Step 3: Cross multiply
    156,819.66x = 216,363.47 × 88,825.83
  4. Step 4: Simplify right side
    156,819.66x = 19,218,664,360.30
  5. Step 5: Solve for x
    x = 19,218,664,360.30/156,819.66
  6. Step 6: Final answer
    x = 122,552.65

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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.