Home / 453,415.28-680,161.02-137,874.92

Finding the Fourth Proportional to 453,415.28, 680,161.02 and 137,874.92

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Solution

The fourth proportional to 453,415.28, 680,161.02 and 137,874.92 is: 206,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,415.28 : 680,161.02 = 137,874.92 : x
  2. Step 2: Convert to fraction form
    453,415.28/680,161.02 = 137,874.92/x
  3. Step 3: Cross multiply
    453,415.28x = 680,161.02 × 137,874.92
  4. Step 4: Simplify right side
    453,415.28x = 93,777,146,219.62
  5. Step 5: Solve for x
    x = 93,777,146,219.62/453,415.28
  6. Step 6: Final answer
    x = 206,823.97

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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.