Home / 132,605.97-182,993.34-72,175.11

Finding the Fourth Proportional to 132,605.97, 182,993.34 and 72,175.11

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Solution

The fourth proportional to 132,605.97, 182,993.34 and 72,175.11 is: 99,600.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,605.97 : 182,993.34 = 72,175.11 : x
  2. Step 2: Convert to fraction form
    132,605.97/182,993.34 = 72,175.11/x
  3. Step 3: Cross multiply
    132,605.97x = 182,993.34 × 72,175.11
  4. Step 4: Simplify right side
    132,605.97x = 13,207,564,443.77
  5. Step 5: Solve for x
    x = 13,207,564,443.77/132,605.97
  6. Step 6: Final answer
    x = 99,600.07

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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.