Home / 251,388.88-377,003.18-82,877.80

Finding the Fourth Proportional to 251,388.88, 377,003.18 and 82,877.80

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Solution

The fourth proportional to 251,388.88, 377,003.18 and 82,877.80 is: 124,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,388.88 : 377,003.18 = 82,877.80 : x
  2. Step 2: Convert to fraction form
    251,388.88/377,003.18 = 82,877.80/x
  3. Step 3: Cross multiply
    251,388.88x = 377,003.18 × 82,877.80
  4. Step 4: Simplify right side
    251,388.88x = 31,245,194,151.40
  5. Step 5: Solve for x
    x = 31,245,194,151.40/251,388.88
  6. Step 6: Final answer
    x = 124,290.28

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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.