Home / 397,103.13-595,728.49-130,882.35

Finding the Fourth Proportional to 397,103.13, 595,728.49 and 130,882.35

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Solution

The fourth proportional to 397,103.13, 595,728.49 and 130,882.35 is: 196,347.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,103.13 : 595,728.49 = 130,882.35 : x
  2. Step 2: Convert to fraction form
    397,103.13/595,728.49 = 130,882.35/x
  3. Step 3: Cross multiply
    397,103.13x = 595,728.49 × 130,882.35
  4. Step 4: Simplify right side
    397,103.13x = 77,970,344,733.15
  5. Step 5: Solve for x
    x = 77,970,344,733.15/397,103.13
  6. Step 6: Final answer
    x = 196,347.85

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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.