Home / 141,583.23-195,380.78-77,919.66

Finding the Fourth Proportional to 141,583.23, 195,380.78 and 77,919.66

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Solution

The fourth proportional to 141,583.23, 195,380.78 and 77,919.66 is: 107,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,583.23 : 195,380.78 = 77,919.66 : x
  2. Step 2: Convert to fraction form
    141,583.23/195,380.78 = 77,919.66/x
  3. Step 3: Cross multiply
    141,583.23x = 195,380.78 × 77,919.66
  4. Step 4: Simplify right side
    141,583.23x = 15,224,003,558.54
  5. Step 5: Solve for x
    x = 15,224,003,558.54/141,583.23
  6. Step 6: Final answer
    x = 107,526.88

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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.