Home / 132,532.15-198,837.41-76,412.52

Finding the Fourth Proportional to 132,532.15, 198,837.41 and 76,412.52

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Solution

The fourth proportional to 132,532.15, 198,837.41 and 76,412.52 is: 114,641.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,532.15 : 198,837.41 = 76,412.52 : x
  2. Step 2: Convert to fraction form
    132,532.15/198,837.41 = 76,412.52/x
  3. Step 3: Cross multiply
    132,532.15x = 198,837.41 × 76,412.52
  4. Step 4: Simplify right side
    132,532.15x = 15,193,667,568.37
  5. Step 5: Solve for x
    x = 15,193,667,568.37/132,532.15
  6. Step 6: Final answer
    x = 114,641.37

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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.