Home / 129,756.12-194,617.48-41,018.60

Finding the Fourth Proportional to 129,756.12, 194,617.48 and 41,018.60

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Solution

The fourth proportional to 129,756.12, 194,617.48 and 41,018.60 is: 61,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,756.12 : 194,617.48 = 41,018.60 : x
  2. Step 2: Convert to fraction form
    129,756.12/194,617.48 = 41,018.60/x
  3. Step 3: Cross multiply
    129,756.12x = 194,617.48 × 41,018.60
  4. Step 4: Simplify right side
    129,756.12x = 7,982,936,565.13
  5. Step 5: Solve for x
    x = 7,982,936,565.13/129,756.12
  6. Step 6: Final answer
    x = 61,522.62

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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.