Home / 625,913.14-938,859.51-199,443.20

Finding the Fourth Proportional to 625,913.14, 938,859.51 and 199,443.20

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Solution

The fourth proportional to 625,913.14, 938,859.51 and 199,443.20 is: 299,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,913.14 : 938,859.51 = 199,443.20 : x
  2. Step 2: Convert to fraction form
    625,913.14/938,859.51 = 199,443.20/x
  3. Step 3: Cross multiply
    625,913.14x = 938,859.51 × 199,443.20
  4. Step 4: Simplify right side
    625,913.14x = 187,249,145,024.83
  5. Step 5: Solve for x
    x = 187,249,145,024.83/625,913.14
  6. Step 6: Final answer
    x = 299,161.55

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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.