Home / 252,082.66-347,890.92-138,905.41

Finding the Fourth Proportional to 252,082.66, 347,890.92 and 138,905.41

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Solution

The fourth proportional to 252,082.66, 347,890.92 and 138,905.41 is: 191,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,082.66 : 347,890.92 = 138,905.41 : x
  2. Step 2: Convert to fraction form
    252,082.66/347,890.92 = 138,905.41/x
  3. Step 3: Cross multiply
    252,082.66x = 347,890.92 × 138,905.41
  4. Step 4: Simplify right side
    252,082.66x = 48,323,930,877.88
  5. Step 5: Solve for x
    x = 48,323,930,877.88/252,082.66
  6. Step 6: Final answer
    x = 191,698.75

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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.