Home / 141,786.82-195,666.15-77,255.74

Finding the Fourth Proportional to 141,786.82, 195,666.15 and 77,255.74

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Solution

The fourth proportional to 141,786.82, 195,666.15 and 77,255.74 is: 106,613.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,786.82 : 195,666.15 = 77,255.74 : x
  2. Step 2: Convert to fraction form
    141,786.82/195,666.15 = 77,255.74/x
  3. Step 3: Cross multiply
    141,786.82x = 195,666.15 × 77,255.74
  4. Step 4: Simplify right side
    141,786.82x = 15,116,333,211.20
  5. Step 5: Solve for x
    x = 15,116,333,211.20/141,786.82
  6. Step 6: Final answer
    x = 106,613.11

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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.