Home / 132,815.79-199,252.85-39,328.83

Finding the Fourth Proportional to 132,815.79, 199,252.85 and 39,328.83

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Solution

The fourth proportional to 132,815.79, 199,252.85 and 39,328.83 is: 59,001.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,815.79 : 199,252.85 = 39,328.83 : x
  2. Step 2: Convert to fraction form
    132,815.79/199,252.85 = 39,328.83/x
  3. Step 3: Cross multiply
    132,815.79x = 199,252.85 × 39,328.83
  4. Step 4: Simplify right side
    132,815.79x = 7,836,381,268.02
  5. Step 5: Solve for x
    x = 7,836,381,268.02/132,815.79
  6. Step 6: Final answer
    x = 59,001.88

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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.