Home / 132,754.34-183,203.13-72,327.86

Finding the Fourth Proportional to 132,754.34, 183,203.13 and 72,327.86

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Solution

The fourth proportional to 132,754.34, 183,203.13 and 72,327.86 is: 99,813.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,754.34 : 183,203.13 = 72,327.86 : x
  2. Step 2: Convert to fraction form
    132,754.34/183,203.13 = 72,327.86/x
  3. Step 3: Cross multiply
    132,754.34x = 183,203.13 × 72,327.86
  4. Step 4: Simplify right side
    132,754.34x = 13,250,690,338.20
  5. Step 5: Solve for x
    x = 13,250,690,338.20/132,754.34
  6. Step 6: Final answer
    x = 99,813.61

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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.