Home / 154,423.80-231,614.10-49,253.40

Finding the Fourth Proportional to 154,423.80, 231,614.10 and 49,253.40

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Solution

The fourth proportional to 154,423.80, 231,614.10 and 49,253.40 is: 73,873.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,423.80 : 231,614.10 = 49,253.40 : x
  2. Step 2: Convert to fraction form
    154,423.80/231,614.10 = 49,253.40/x
  3. Step 3: Cross multiply
    154,423.80x = 231,614.10 × 49,253.40
  4. Step 4: Simplify right side
    154,423.80x = 11,407,781,912.94
  5. Step 5: Solve for x
    x = 11,407,781,912.94/154,423.80
  6. Step 6: Final answer
    x = 73,873.21

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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.