Home / 141,375.88-195,098.93-77,714.07

Finding the Fourth Proportional to 141,375.88, 195,098.93 and 77,714.07

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Solution

The fourth proportional to 141,375.88, 195,098.93 and 77,714.07 is: 107,245.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,375.88 : 195,098.93 = 77,714.07 : x
  2. Step 2: Convert to fraction form
    141,375.88/195,098.93 = 77,714.07/x
  3. Step 3: Cross multiply
    141,375.88x = 195,098.93 × 77,714.07
  4. Step 4: Simplify right side
    141,375.88x = 15,161,931,902.95
  5. Step 5: Solve for x
    x = 15,161,931,902.95/141,375.88
  6. Step 6: Final answer
    x = 107,245.54

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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.