Home / 141,625.29-195,442.89-77,094.78

Finding the Fourth Proportional to 141,625.29, 195,442.89 and 77,094.78

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Solution

The fourth proportional to 141,625.29, 195,442.89 and 77,094.78 is: 106,390.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,625.29 : 195,442.89 = 77,094.78 : x
  2. Step 2: Convert to fraction form
    141,625.29/195,442.89 = 77,094.78/x
  3. Step 3: Cross multiply
    141,625.29x = 195,442.89 × 77,094.78
  4. Step 4: Simplify right side
    141,625.29x = 15,067,626,607.11
  5. Step 5: Solve for x
    x = 15,067,626,607.11/141,625.29
  6. Step 6: Final answer
    x = 106,390.79

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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.