Home / 412,215.93-618,294.33-127,899.18

Finding the Fourth Proportional to 412,215.93, 618,294.33 and 127,899.18

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Solution

The fourth proportional to 412,215.93, 618,294.33 and 127,899.18 is: 191,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,215.93 : 618,294.33 = 127,899.18 : x
  2. Step 2: Convert to fraction form
    412,215.93/618,294.33 = 127,899.18/x
  3. Step 3: Cross multiply
    412,215.93x = 618,294.33 × 127,899.18
  4. Step 4: Simplify right side
    412,215.93x = 79,079,337,805.65
  5. Step 5: Solve for x
    x = 79,079,337,805.65/412,215.93
  6. Step 6: Final answer
    x = 191,839.60

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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.