Home / 132,160.40-198,271.38-38,673.44

Finding the Fourth Proportional to 132,160.40, 198,271.38 and 38,673.44

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Solution

The fourth proportional to 132,160.40, 198,271.38 and 38,673.44 is: 58,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,160.40 : 198,271.38 = 38,673.44 : x
  2. Step 2: Convert to fraction form
    132,160.40/198,271.38 = 38,673.44/x
  3. Step 3: Cross multiply
    132,160.40x = 198,271.38 × 38,673.44
  4. Step 4: Simplify right side
    132,160.40x = 7,667,836,318.15
  5. Step 5: Solve for x
    x = 7,667,836,318.15/132,160.40
  6. Step 6: Final answer
    x = 58,019.17

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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.