Home / 132,704.25-183,129.13-72,275.96

Finding the Fourth Proportional to 132,704.25, 183,129.13 and 72,275.96

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Solution

The fourth proportional to 132,704.25, 183,129.13 and 72,275.96 is: 99,739.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,704.25 : 183,129.13 = 72,275.96 : x
  2. Step 2: Convert to fraction form
    132,704.25/183,129.13 = 72,275.96/x
  3. Step 3: Cross multiply
    132,704.25x = 183,129.13 × 72,275.96
  4. Step 4: Simplify right side
    132,704.25x = 13,235,832,849.41
  5. Step 5: Solve for x
    x = 13,235,832,849.41/132,704.25
  6. Step 6: Final answer
    x = 99,739.33

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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.