Home / 180,931.28-271,397.61-75,676.41

Finding the Fourth Proportional to 180,931.28, 271,397.61 and 75,676.41

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Solution

The fourth proportional to 180,931.28, 271,397.61 and 75,676.41 is: 113,514.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,931.28 : 271,397.61 = 75,676.41 : x
  2. Step 2: Convert to fraction form
    180,931.28/271,397.61 = 75,676.41/x
  3. Step 3: Cross multiply
    180,931.28x = 271,397.61 × 75,676.41
  4. Step 4: Simplify right side
    180,931.28x = 20,538,396,807.38
  5. Step 5: Solve for x
    x = 20,538,396,807.38/180,931.28
  6. Step 6: Final answer
    x = 113,514.91

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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.