Home / 132,876.41-199,429.76-69,741.12

Finding the Fourth Proportional to 132,876.41, 199,429.76 and 69,741.12

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Solution

The fourth proportional to 132,876.41, 199,429.76 and 69,741.12 is: 104,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,876.41 : 199,429.76 = 69,741.12 : x
  2. Step 2: Convert to fraction form
    132,876.41/199,429.76 = 69,741.12/x
  3. Step 3: Cross multiply
    132,876.41x = 199,429.76 × 69,741.12
  4. Step 4: Simplify right side
    132,876.41x = 13,908,454,823.73
  5. Step 5: Solve for x
    x = 13,908,454,823.73/132,876.41
  6. Step 6: Final answer
    x = 104,672.12

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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.