Home / 154,424.80-231,637.20-54,584.20

Finding the Fourth Proportional to 154,424.80, 231,637.20 and 54,584.20

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Solution

The fourth proportional to 154,424.80, 231,637.20 and 54,584.20 is: 81,876.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,424.80 : 231,637.20 = 54,584.20 : x
  2. Step 2: Convert to fraction form
    154,424.80/231,637.20 = 54,584.20/x
  3. Step 3: Cross multiply
    154,424.80x = 231,637.20 × 54,584.20
  4. Step 4: Simplify right side
    154,424.80x = 12,643,731,252.24
  5. Step 5: Solve for x
    x = 12,643,731,252.24/154,424.80
  6. Step 6: Final answer
    x = 81,876.30

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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.