Home / 194,149.28-291,180.02-75,759.68

Finding the Fourth Proportional to 194,149.28, 291,180.02 and 75,759.68

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Solution

The fourth proportional to 194,149.28, 291,180.02 and 75,759.68 is: 113,622.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,149.28 : 291,180.02 = 75,759.68 : x
  2. Step 2: Convert to fraction form
    194,149.28/291,180.02 = 75,759.68/x
  3. Step 3: Cross multiply
    194,149.28x = 291,180.02 × 75,759.68
  4. Step 4: Simplify right side
    194,149.28x = 22,059,703,302.90
  5. Step 5: Solve for x
    x = 22,059,703,302.90/194,149.28
  6. Step 6: Final answer
    x = 113,622.38

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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.