Home / 154,478.10-231,862.95-95,429.10

Finding the Fourth Proportional to 154,478.10, 231,862.95 and 95,429.10

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Solution

The fourth proportional to 154,478.10, 231,862.95 and 95,429.10 is: 143,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,478.10 : 231,862.95 = 95,429.10 : x
  2. Step 2: Convert to fraction form
    154,478.10/231,862.95 = 95,429.10/x
  3. Step 3: Cross multiply
    154,478.10x = 231,862.95 × 95,429.10
  4. Step 4: Simplify right side
    154,478.10x = 22,126,472,641.85
  5. Step 5: Solve for x
    x = 22,126,472,641.85/154,478.10
  6. Step 6: Final answer
    x = 143,233.72

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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.