Home / 122,291.31-183,377.72-71,704.17

Finding the Fourth Proportional to 122,291.31, 183,377.72 and 71,704.17

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Solution

The fourth proportional to 122,291.31, 183,377.72 and 71,704.17 is: 107,521.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,291.31 : 183,377.72 = 71,704.17 : x
  2. Step 2: Convert to fraction form
    122,291.31/183,377.72 = 71,704.17/x
  3. Step 3: Cross multiply
    122,291.31x = 183,377.72 × 71,704.17
  4. Step 4: Simplify right side
    122,291.31x = 13,148,946,850.57
  5. Step 5: Solve for x
    x = 13,148,946,850.57/122,291.31
  6. Step 6: Final answer
    x = 107,521.51

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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.