Home / 220,849.84-304,781.16-125,360.56

Finding the Fourth Proportional to 220,849.84, 304,781.16 and 125,360.56

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Solution

The fourth proportional to 220,849.84, 304,781.16 and 125,360.56 is: 173,002.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,849.84 : 304,781.16 = 125,360.56 : x
  2. Step 2: Convert to fraction form
    220,849.84/304,781.16 = 125,360.56/x
  3. Step 3: Cross multiply
    220,849.84x = 304,781.16 × 125,360.56
  4. Step 4: Simplify right side
    220,849.84x = 38,207,536,895.05
  5. Step 5: Solve for x
    x = 38,207,536,895.05/220,849.84
  6. Step 6: Final answer
    x = 173,002.33

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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.