Home / 373,250.88-515,152.38-220,278.06

Finding the Fourth Proportional to 373,250.88, 515,152.38 and 220,278.06

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Solution

The fourth proportional to 373,250.88, 515,152.38 and 220,278.06 is: 304,022.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,250.88 : 515,152.38 = 220,278.06 : x
  2. Step 2: Convert to fraction form
    373,250.88/515,152.38 = 220,278.06/x
  3. Step 3: Cross multiply
    373,250.88x = 515,152.38 × 220,278.06
  4. Step 4: Simplify right side
    373,250.88x = 113,476,766,870.78
  5. Step 5: Solve for x
    x = 113,476,766,870.78/373,250.88
  6. Step 6: Final answer
    x = 304,022.77

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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.