Home / 141,459.18-195,209.78-77,797.04

Finding the Fourth Proportional to 141,459.18, 195,209.78 and 77,797.04

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Solution

The fourth proportional to 141,459.18, 195,209.78 and 77,797.04 is: 107,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,459.18 : 195,209.78 = 77,797.04 : x
  2. Step 2: Convert to fraction form
    141,459.18/195,209.78 = 77,797.04/x
  3. Step 3: Cross multiply
    141,459.18x = 195,209.78 × 77,797.04
  4. Step 4: Simplify right side
    141,459.18x = 15,186,743,063.05
  5. Step 5: Solve for x
    x = 15,186,743,063.05/141,459.18
  6. Step 6: Final answer
    x = 107,357.78

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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.