Home / 132,895.29-199,342.94-91,215.93

Finding the Fourth Proportional to 132,895.29, 199,342.94 and 91,215.93

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Solution

The fourth proportional to 132,895.29, 199,342.94 and 91,215.93 is: 136,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,895.29 : 199,342.94 = 91,215.93 : x
  2. Step 2: Convert to fraction form
    132,895.29/199,342.94 = 91,215.93/x
  3. Step 3: Cross multiply
    132,895.29x = 199,342.94 × 91,215.93
  4. Step 4: Simplify right side
    132,895.29x = 18,183,251,204.95
  5. Step 5: Solve for x
    x = 18,183,251,204.95/132,895.29
  6. Step 6: Final answer
    x = 136,823.90

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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.