Home / 141,540.48-195,325.83-77,876.91

Finding the Fourth Proportional to 141,540.48, 195,325.83 and 77,876.91

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Solution

The fourth proportional to 141,540.48, 195,325.83 and 77,876.91 is: 107,470.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,540.48 : 195,325.83 = 77,876.91 : x
  2. Step 2: Convert to fraction form
    141,540.48/195,325.83 = 77,876.91/x
  3. Step 3: Cross multiply
    141,540.48x = 195,325.83 × 77,876.91
  4. Step 4: Simplify right side
    141,540.48x = 15,211,372,083.59
  5. Step 5: Solve for x
    x = 15,211,372,083.59/141,540.48
  6. Step 6: Final answer
    x = 107,470.12

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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.