Home / 411,156.20-616,832.46-130,673.96

Finding the Fourth Proportional to 411,156.20, 616,832.46 and 130,673.96

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Solution

The fourth proportional to 411,156.20, 616,832.46 and 130,673.96 is: 196,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,156.20 : 616,832.46 = 130,673.96 : x
  2. Step 2: Convert to fraction form
    411,156.20/616,832.46 = 130,673.96/x
  3. Step 3: Cross multiply
    411,156.20x = 616,832.46 × 130,673.96
  4. Step 4: Simplify right side
    411,156.20x = 80,603,940,204.74
  5. Step 5: Solve for x
    x = 80,603,940,204.74/411,156.20
  6. Step 6: Final answer
    x = 196,042.14

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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.