Home / 395,939.70-593,981.55-129,626.10

Finding the Fourth Proportional to 395,939.70, 593,981.55 and 129,626.10

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Solution

The fourth proportional to 395,939.70, 593,981.55 and 129,626.10 is: 194,462.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,939.70 : 593,981.55 = 129,626.10 : x
  2. Step 2: Convert to fraction form
    395,939.70/593,981.55 = 129,626.10/x
  3. Step 3: Cross multiply
    395,939.70x = 593,981.55 × 129,626.10
  4. Step 4: Simplify right side
    395,939.70x = 76,995,511,798.46
  5. Step 5: Solve for x
    x = 76,995,511,798.46/395,939.70
  6. Step 6: Final answer
    x = 194,462.72

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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.