Home / 154,180.13-231,299.96-54,343.58

Finding the Fourth Proportional to 154,180.13, 231,299.96 and 54,343.58

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Solution

The fourth proportional to 154,180.13, 231,299.96 and 54,343.58 is: 81,525.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,180.13 : 231,299.96 = 54,343.58 : x
  2. Step 2: Convert to fraction form
    154,180.13/231,299.96 = 54,343.58/x
  3. Step 3: Cross multiply
    154,180.13x = 231,299.96 × 54,343.58
  4. Step 4: Simplify right side
    154,180.13x = 12,569,666,452.04
  5. Step 5: Solve for x
    x = 12,569,666,452.04/154,180.13
  6. Step 6: Final answer
    x = 81,525.85

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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.