Home / 132,253.18-199,288.94-109,391.74

Finding the Fourth Proportional to 132,253.18, 199,288.94 and 109,391.74

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Solution

The fourth proportional to 132,253.18, 199,288.94 and 109,391.74 is: 164,839.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,253.18 : 199,288.94 = 109,391.74 : x
  2. Step 2: Convert to fraction form
    132,253.18/199,288.94 = 109,391.74/x
  3. Step 3: Cross multiply
    132,253.18x = 199,288.94 × 109,391.74
  4. Step 4: Simplify right side
    132,253.18x = 21,800,563,909.36
  5. Step 5: Solve for x
    x = 21,800,563,909.36/132,253.18
  6. Step 6: Final answer
    x = 164,839.62

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.