Home / 154,089.87-231,655.24-124,470.03

Finding the Fourth Proportional to 154,089.87, 231,655.24 and 124,470.03

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Solution

The fourth proportional to 154,089.87, 231,655.24 and 124,470.03 is: 187,125.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,089.87 : 231,655.24 = 124,470.03 : x
  2. Step 2: Convert to fraction form
    154,089.87/231,655.24 = 124,470.03/x
  3. Step 3: Cross multiply
    154,089.87x = 231,655.24 × 124,470.03
  4. Step 4: Simplify right side
    154,089.87x = 28,834,134,719.46
  5. Step 5: Solve for x
    x = 28,834,134,719.46/154,089.87
  6. Step 6: Final answer
    x = 187,125.44

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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.