Home / 132,717.98-183,149.26-72,288.44

Finding the Fourth Proportional to 132,717.98, 183,149.26 and 72,288.44

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Solution

The fourth proportional to 132,717.98, 183,149.26 and 72,288.44 is: 99,757.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,717.98 : 183,149.26 = 72,288.44 : x
  2. Step 2: Convert to fraction form
    132,717.98/183,149.26 = 72,288.44/x
  3. Step 3: Cross multiply
    132,717.98x = 183,149.26 × 72,288.44
  4. Step 4: Simplify right side
    132,717.98x = 13,239,574,292.55
  5. Step 5: Solve for x
    x = 13,239,574,292.55/132,717.98
  6. Step 6: Final answer
    x = 99,757.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.