Home / 141,216.10-194,882.71-77,553.90

Finding the Fourth Proportional to 141,216.10, 194,882.71 and 77,553.90

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Solution

The fourth proportional to 141,216.10, 194,882.71 and 77,553.90 is: 107,026.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,216.10 : 194,882.71 = 77,553.90 : x
  2. Step 2: Convert to fraction form
    141,216.10/194,882.71 = 77,553.90/x
  3. Step 3: Cross multiply
    141,216.10x = 194,882.71 × 77,553.90
  4. Step 4: Simplify right side
    141,216.10x = 15,113,914,009.18
  5. Step 5: Solve for x
    x = 15,113,914,009.18/141,216.10
  6. Step 6: Final answer
    x = 107,026.85

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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.