Home / 397,769.20-596,594.57-131,531.11

Finding the Fourth Proportional to 397,769.20, 596,594.57 and 131,531.11

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Solution

The fourth proportional to 397,769.20, 596,594.57 and 131,531.11 is: 197,277.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,769.20 : 596,594.57 = 131,531.11 : x
  2. Step 2: Convert to fraction form
    397,769.20/596,594.57 = 131,531.11/x
  3. Step 3: Cross multiply
    397,769.20x = 596,594.57 × 131,531.11
  4. Step 4: Simplify right side
    397,769.20x = 78,470,743,862.93
  5. Step 5: Solve for x
    x = 78,470,743,862.93/397,769.20
  6. Step 6: Final answer
    x = 197,277.08

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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.