Home / 178,832.32-268,248.24-45,712.72

Finding the Fourth Proportional to 178,832.32, 268,248.24 and 45,712.72

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Solution

The fourth proportional to 178,832.32, 268,248.24 and 45,712.72 is: 68,569.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,832.32 : 268,248.24 = 45,712.72 : x
  2. Step 2: Convert to fraction form
    178,832.32/268,248.24 = 45,712.72/x
  3. Step 3: Cross multiply
    178,832.32x = 268,248.24 × 45,712.72
  4. Step 4: Simplify right side
    178,832.32x = 12,262,356,685.61
  5. Step 5: Solve for x
    x = 12,262,356,685.61/178,832.32
  6. Step 6: Final answer
    x = 68,569.02

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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.