Home / 366,943.80-550,286.10-130,294.20

Finding the Fourth Proportional to 366,943.80, 550,286.10 and 130,294.20

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Solution

The fourth proportional to 366,943.80, 550,286.10 and 130,294.20 is: 195,395.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,943.80 : 550,286.10 = 130,294.20 : x
  2. Step 2: Convert to fraction form
    366,943.80/550,286.10 = 130,294.20/x
  3. Step 3: Cross multiply
    366,943.80x = 550,286.10 × 130,294.20
  4. Step 4: Simplify right side
    366,943.80x = 71,699,087,170.62
  5. Step 5: Solve for x
    x = 71,699,087,170.62/366,943.80
  6. Step 6: Final answer
    x = 195,395.28

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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.