Home / 625,301.16-937,960.96-198,902.80

Finding the Fourth Proportional to 625,301.16, 937,960.96 and 198,902.80

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Solution

The fourth proportional to 625,301.16, 937,960.96 and 198,902.80 is: 298,357.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,301.16 : 937,960.96 = 198,902.80 : x
  2. Step 2: Convert to fraction form
    625,301.16/937,960.96 = 198,902.80/x
  3. Step 3: Cross multiply
    625,301.16x = 937,960.96 × 198,902.80
  4. Step 4: Simplify right side
    625,301.16x = 186,563,061,234.69
  5. Step 5: Solve for x
    x = 186,563,061,234.69/625,301.16
  6. Step 6: Final answer
    x = 298,357.13

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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.