Home / 625,366.50-938,039.82-198,896.18

Finding the Fourth Proportional to 625,366.50, 938,039.82 and 198,896.18

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Solution

The fourth proportional to 625,366.50, 938,039.82 and 198,896.18 is: 298,341.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,366.50 : 938,039.82 = 198,896.18 : x
  2. Step 2: Convert to fraction form
    625,366.50/938,039.82 = 198,896.18/x
  3. Step 3: Cross multiply
    625,366.50x = 938,039.82 × 198,896.18
  4. Step 4: Simplify right side
    625,366.50x = 186,572,532,195.69
  5. Step 5: Solve for x
    x = 186,572,532,195.69/625,366.50
  6. Step 6: Final answer
    x = 298,341.10

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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.