Home / 132,550.16-182,920.01-72,121.25

Finding the Fourth Proportional to 132,550.16, 182,920.01 and 72,121.25

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Solution

The fourth proportional to 132,550.16, 182,920.01 and 72,121.25 is: 99,527.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,550.16 : 182,920.01 = 72,121.25 : x
  2. Step 2: Convert to fraction form
    132,550.16/182,920.01 = 72,121.25/x
  3. Step 3: Cross multiply
    132,550.16x = 182,920.01 × 72,121.25
  4. Step 4: Simplify right side
    132,550.16x = 13,192,419,867.91
  5. Step 5: Solve for x
    x = 13,192,419,867.91/132,550.16
  6. Step 6: Final answer
    x = 99,527.76

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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.