Home / 235,120.13-352,572.55-75,165

Finding the Fourth Proportional to 235,120.13, 352,572.55 and 75,165

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Solution

The fourth proportional to 235,120.13, 352,572.55 and 75,165 is: 112,713.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,120.13 : 352,572.55 = 75,165 : x
  2. Step 2: Convert to fraction form
    235,120.13/352,572.55 = 75,165/x
  3. Step 3: Cross multiply
    235,120.13x = 352,572.55 × 75,165
  4. Step 4: Simplify right side
    235,120.13x = 26,501,115,720.75
  5. Step 5: Solve for x
    x = 26,501,115,720.75/235,120.13
  6. Step 6: Final answer
    x = 112,713.09

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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.