Home / 178,731.15-268,135.26-60,399.87

Finding the Fourth Proportional to 178,731.15, 268,135.26 and 60,399.87

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Solution

The fourth proportional to 178,731.15, 268,135.26 and 60,399.87 is: 90,612.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,731.15 : 268,135.26 = 60,399.87 : x
  2. Step 2: Convert to fraction form
    178,731.15/268,135.26 = 60,399.87/x
  3. Step 3: Cross multiply
    178,731.15x = 268,135.26 × 60,399.87
  4. Step 4: Simplify right side
    178,731.15x = 16,195,334,846.42
  5. Step 5: Solve for x
    x = 16,195,334,846.42/178,731.15
  6. Step 6: Final answer
    x = 90,612.83

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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.