Home / 129,591.38-194,253.78-49,610.51

Finding the Fourth Proportional to 129,591.38, 194,253.78 and 49,610.51

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Solution

The fourth proportional to 129,591.38, 194,253.78 and 49,610.51 is: 74,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,591.38 : 194,253.78 = 49,610.51 : x
  2. Step 2: Convert to fraction form
    129,591.38/194,253.78 = 49,610.51/x
  3. Step 3: Cross multiply
    129,591.38x = 194,253.78 × 49,610.51
  4. Step 4: Simplify right side
    129,591.38x = 9,637,029,095.23
  5. Step 5: Solve for x
    x = 9,637,029,095.23/129,591.38
  6. Step 6: Final answer
    x = 74,364.74

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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.