Home / 237,948.72-328,371.21-130,517.88

Finding the Fourth Proportional to 237,948.72, 328,371.21 and 130,517.88

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Solution

The fourth proportional to 237,948.72, 328,371.21 and 130,517.88 is: 180,115.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,948.72 : 328,371.21 = 130,517.88 : x
  2. Step 2: Convert to fraction form
    237,948.72/328,371.21 = 130,517.88/x
  3. Step 3: Cross multiply
    237,948.72x = 328,371.21 × 130,517.88
  4. Step 4: Simplify right side
    237,948.72x = 42,858,314,182.23
  5. Step 5: Solve for x
    x = 42,858,314,182.23/237,948.72
  6. Step 6: Final answer
    x = 180,115.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.