Home / 132,553.22-182,921.10-72,121.82

Finding the Fourth Proportional to 132,553.22, 182,921.10 and 72,121.82

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Solution

The fourth proportional to 132,553.22, 182,921.10 and 72,121.82 is: 99,526.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,553.22 : 182,921.10 = 72,121.82 : x
  2. Step 2: Convert to fraction form
    132,553.22/182,921.10 = 72,121.82/x
  3. Step 3: Cross multiply
    132,553.22x = 182,921.10 × 72,121.82
  4. Step 4: Simplify right side
    132,553.22x = 13,192,602,648.40
  5. Step 5: Solve for x
    x = 13,192,602,648.40/132,553.22
  6. Step 6: Final answer
    x = 99,526.84

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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.