Home / 154,521.45-231,788.76-54,682.47

Finding the Fourth Proportional to 154,521.45, 231,788.76 and 54,682.47

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Solution

The fourth proportional to 154,521.45, 231,788.76 and 54,682.47 is: 82,026.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,521.45 : 231,788.76 = 54,682.47 : x
  2. Step 2: Convert to fraction form
    154,521.45/231,788.76 = 54,682.47/x
  3. Step 3: Cross multiply
    154,521.45x = 231,788.76 × 54,682.47
  4. Step 4: Simplify right side
    154,521.45x = 12,674,781,915.04
  5. Step 5: Solve for x
    x = 12,674,781,915.04/154,521.45
  6. Step 6: Final answer
    x = 82,026.04

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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.