Home / 220,834.98-304,728.03-124,019.19

Finding the Fourth Proportional to 220,834.98, 304,728.03 and 124,019.19

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Solution

The fourth proportional to 220,834.98, 304,728.03 and 124,019.19 is: 171,132.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,834.98 : 304,728.03 = 124,019.19 : x
  2. Step 2: Convert to fraction form
    220,834.98/304,728.03 = 124,019.19/x
  3. Step 3: Cross multiply
    220,834.98x = 304,728.03 × 124,019.19
  4. Step 4: Simplify right side
    220,834.98x = 37,792,123,450.90
  5. Step 5: Solve for x
    x = 37,792,123,450.90/220,834.98
  6. Step 6: Final answer
    x = 171,132.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.