Home / 268,114.44-402,105.24-90,617.52

Finding the Fourth Proportional to 268,114.44, 402,105.24 and 90,617.52

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Solution

The fourth proportional to 268,114.44, 402,105.24 and 90,617.52 is: 135,903.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,114.44 : 402,105.24 = 90,617.52 : x
  2. Step 2: Convert to fraction form
    268,114.44/402,105.24 = 90,617.52/x
  3. Step 3: Cross multiply
    268,114.44x = 402,105.24 × 90,617.52
  4. Step 4: Simplify right side
    268,114.44x = 36,437,779,627.80
  5. Step 5: Solve for x
    x = 36,437,779,627.80/268,114.44
  6. Step 6: Final answer
    x = 135,903.83

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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.