Home / 129,514.28-194,135.34-59,335.88

Finding the Fourth Proportional to 129,514.28, 194,135.34 and 59,335.88

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Solution

The fourth proportional to 129,514.28, 194,135.34 and 59,335.88 is: 88,941.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,514.28 : 194,135.34 = 59,335.88 : x
  2. Step 2: Convert to fraction form
    129,514.28/194,135.34 = 59,335.88/x
  3. Step 3: Cross multiply
    129,514.28x = 194,135.34 × 59,335.88
  4. Step 4: Simplify right side
    129,514.28x = 11,519,191,238.00
  5. Step 5: Solve for x
    x = 11,519,191,238.00/129,514.28
  6. Step 6: Final answer
    x = 88,941.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.