Home / 178,819.19-268,229.04-45,699.59

Finding the Fourth Proportional to 178,819.19, 268,229.04 and 45,699.59

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Solution

The fourth proportional to 178,819.19, 268,229.04 and 45,699.59 is: 68,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,819.19 : 268,229.04 = 45,699.59 : x
  2. Step 2: Convert to fraction form
    178,819.19/268,229.04 = 45,699.59/x
  3. Step 3: Cross multiply
    178,819.19x = 268,229.04 × 45,699.59
  4. Step 4: Simplify right side
    178,819.19x = 12,257,957,154.09
  5. Step 5: Solve for x
    x = 12,257,957,154.09/178,819.19
  6. Step 6: Final answer
    x = 68,549.45

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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.