Home / 214,695.57-321,552.84-102,454.61

Finding the Fourth Proportional to 214,695.57, 321,552.84 and 102,454.61

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Solution

The fourth proportional to 214,695.57, 321,552.84 and 102,454.61 is: 153,447.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,695.57 : 321,552.84 = 102,454.61 : x
  2. Step 2: Convert to fraction form
    214,695.57/321,552.84 = 102,454.61/x
  3. Step 3: Cross multiply
    214,695.57x = 321,552.84 × 102,454.61
  4. Step 4: Simplify right side
    214,695.57x = 32,944,569,208.83
  5. Step 5: Solve for x
    x = 32,944,569,208.83/214,695.57
  6. Step 6: Final answer
    x = 153,447.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.