Home / 132,699.76-199,113.28-82,767.04

Finding the Fourth Proportional to 132,699.76, 199,113.28 and 82,767.04

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Solution

The fourth proportional to 132,699.76, 199,113.28 and 82,767.04 is: 124,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,699.76 : 199,113.28 = 82,767.04 : x
  2. Step 2: Convert to fraction form
    132,699.76/199,113.28 = 82,767.04/x
  3. Step 3: Cross multiply
    132,699.76x = 199,113.28 × 82,767.04
  4. Step 4: Simplify right side
    132,699.76x = 16,480,016,810.29
  5. Step 5: Solve for x
    x = 16,480,016,810.29/132,699.76
  6. Step 6: Final answer
    x = 124,190.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.