Home / 141,756.48-195,616.62-78,092.82

Finding the Fourth Proportional to 141,756.48, 195,616.62 and 78,092.82

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Solution

The fourth proportional to 141,756.48, 195,616.62 and 78,092.82 is: 107,764.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,756.48 : 195,616.62 = 78,092.82 : x
  2. Step 2: Convert to fraction form
    141,756.48/195,616.62 = 78,092.82/x
  3. Step 3: Cross multiply
    141,756.48x = 195,616.62 × 78,092.82
  4. Step 4: Simplify right side
    141,756.48x = 15,276,253,494.67
  5. Step 5: Solve for x
    x = 15,276,253,494.67/141,756.48
  6. Step 6: Final answer
    x = 107,764.06

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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.