Home / 141,861.74-195,766.44-77,331.53

Finding the Fourth Proportional to 141,861.74, 195,766.44 and 77,331.53

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Solution

The fourth proportional to 141,861.74, 195,766.44 and 77,331.53 is: 106,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,861.74 : 195,766.44 = 77,331.53 : x
  2. Step 2: Convert to fraction form
    141,861.74/195,766.44 = 77,331.53/x
  3. Step 3: Cross multiply
    141,861.74x = 195,766.44 × 77,331.53
  4. Step 4: Simplify right side
    141,861.74x = 15,138,917,349.02
  5. Step 5: Solve for x
    x = 15,138,917,349.02/141,861.74
  6. Step 6: Final answer
    x = 106,716.00

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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.