Home / 141,041.20-194,633.44-77,378.44

Finding the Fourth Proportional to 141,041.20, 194,633.44 and 77,378.44

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Solution

The fourth proportional to 141,041.20, 194,633.44 and 77,378.44 is: 106,780.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,041.20 : 194,633.44 = 77,378.44 : x
  2. Step 2: Convert to fraction form
    141,041.20/194,633.44 = 77,378.44/x
  3. Step 3: Cross multiply
    141,041.20x = 194,633.44 × 77,378.44
  4. Step 4: Simplify right side
    141,041.20x = 15,060,431,959.03
  5. Step 5: Solve for x
    x = 15,060,431,959.03/141,041.20
  6. Step 6: Final answer
    x = 106,780.37

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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.