Home / 129,694.03-194,536.18-40,952.86

Finding the Fourth Proportional to 129,694.03, 194,536.18 and 40,952.86

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Solution

The fourth proportional to 129,694.03, 194,536.18 and 40,952.86 is: 61,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,694.03 : 194,536.18 = 40,952.86 : x
  2. Step 2: Convert to fraction form
    129,694.03/194,536.18 = 40,952.86/x
  3. Step 3: Cross multiply
    129,694.03x = 194,536.18 × 40,952.86
  4. Step 4: Simplify right side
    129,694.03x = 7,966,812,509.33
  5. Step 5: Solve for x
    x = 7,966,812,509.33/129,694.03
  6. Step 6: Final answer
    x = 61,427.75

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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.