Home / 141,213.66-194,876.13-77,551.93

Finding the Fourth Proportional to 141,213.66, 194,876.13 and 77,551.93

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Solution

The fourth proportional to 141,213.66, 194,876.13 and 77,551.93 is: 107,022.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,213.66 : 194,876.13 = 77,551.93 : x
  2. Step 2: Convert to fraction form
    141,213.66/194,876.13 = 77,551.93/x
  3. Step 3: Cross multiply
    141,213.66x = 194,876.13 × 77,551.93
  4. Step 4: Simplify right side
    141,213.66x = 15,113,019,992.43
  5. Step 5: Solve for x
    x = 15,113,019,992.43/141,213.66
  6. Step 6: Final answer
    x = 107,022.37

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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.