Home / 154,480.10-231,757.13-64,472.76

Finding the Fourth Proportional to 154,480.10, 231,757.13 and 64,472.76

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Solution

The fourth proportional to 154,480.10, 231,757.13 and 64,472.76 is: 96,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,480.10 : 231,757.13 = 64,472.76 : x
  2. Step 2: Convert to fraction form
    154,480.10/231,757.13 = 64,472.76/x
  3. Step 3: Cross multiply
    154,480.10x = 231,757.13 × 64,472.76
  4. Step 4: Simplify right side
    154,480.10x = 14,942,021,981.96
  5. Step 5: Solve for x
    x = 14,942,021,981.96/154,480.10
  6. Step 6: Final answer
    x = 96,724.58

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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.