Home / 132,268.71-198,195.71-112,465.83

Finding the Fourth Proportional to 132,268.71, 198,195.71 and 112,465.83

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Solution

The fourth proportional to 132,268.71, 198,195.71 and 112,465.83 is: 168,522.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,268.71 : 198,195.71 = 112,465.83 : x
  2. Step 2: Convert to fraction form
    132,268.71/198,195.71 = 112,465.83/x
  3. Step 3: Cross multiply
    132,268.71x = 198,195.71 × 112,465.83
  4. Step 4: Simplify right side
    132,268.71x = 22,290,244,465.26
  5. Step 5: Solve for x
    x = 22,290,244,465.26/132,268.71
  6. Step 6: Final answer
    x = 168,522.43

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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.