Home / 154,520.45-231,787.26-54,681.47

Finding the Fourth Proportional to 154,520.45, 231,787.26 and 54,681.47

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Solution

The fourth proportional to 154,520.45, 231,787.26 and 54,681.47 is: 82,024.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,520.45 : 231,787.26 = 54,681.47 : x
  2. Step 2: Convert to fraction form
    154,520.45/231,787.26 = 54,681.47/x
  3. Step 3: Cross multiply
    154,520.45x = 231,787.26 × 54,681.47
  4. Step 4: Simplify right side
    154,520.45x = 12,674,467,830.66
  5. Step 5: Solve for x
    x = 12,674,467,830.66/154,520.45
  6. Step 6: Final answer
    x = 82,024.53

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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.