Home / 563,178.28-844,759.72-136,717.38

Finding the Fourth Proportional to 563,178.28, 844,759.72 and 136,717.38

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Solution

The fourth proportional to 563,178.28, 844,759.72 and 136,717.38 is: 205,074.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,178.28 : 844,759.72 = 136,717.38 : x
  2. Step 2: Convert to fraction form
    563,178.28/844,759.72 = 136,717.38/x
  3. Step 3: Cross multiply
    563,178.28x = 844,759.72 × 136,717.38
  4. Step 4: Simplify right side
    563,178.28x = 115,493,335,647.93
  5. Step 5: Solve for x
    x = 115,493,335,647.93/563,178.28
  6. Step 6: Final answer
    x = 205,074.20

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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.