Home / 141,357.82-195,071.29-77,695.60

Finding the Fourth Proportional to 141,357.82, 195,071.29 and 77,695.60

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Solution

The fourth proportional to 141,357.82, 195,071.29 and 77,695.60 is: 107,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.82 : 195,071.29 = 77,695.60 : x
  2. Step 2: Convert to fraction form
    141,357.82/195,071.29 = 77,695.60/x
  3. Step 3: Cross multiply
    141,357.82x = 195,071.29 × 77,695.60
  4. Step 4: Simplify right side
    141,357.82x = 15,156,180,919.32
  5. Step 5: Solve for x
    x = 15,156,180,919.32/141,357.82
  6. Step 6: Final answer
    x = 107,218.55

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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.