Home / 141,067.17-194,672.16-77,406.03

Finding the Fourth Proportional to 141,067.17, 194,672.16 and 77,406.03

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Solution

The fourth proportional to 141,067.17, 194,672.16 and 77,406.03 is: 106,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,067.17 : 194,672.16 = 77,406.03 : x
  2. Step 2: Convert to fraction form
    141,067.17/194,672.16 = 77,406.03/x
  3. Step 3: Cross multiply
    141,067.17x = 194,672.16 × 77,406.03
  4. Step 4: Simplify right side
    141,067.17x = 15,068,799,057.12
  5. Step 5: Solve for x
    x = 15,068,799,057.12/141,067.17
  6. Step 6: Final answer
    x = 106,820.03

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1.5x scale

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.