Home / 235,836.12-354,065.22-109,612.20

Finding the Fourth Proportional to 235,836.12, 354,065.22 and 109,612.20

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Solution

The fourth proportional to 235,836.12, 354,065.22 and 109,612.20 is: 164,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,836.12 : 354,065.22 = 109,612.20 : x
  2. Step 2: Convert to fraction form
    235,836.12/354,065.22 = 109,612.20/x
  3. Step 3: Cross multiply
    235,836.12x = 354,065.22 × 109,612.20
  4. Step 4: Simplify right side
    235,836.12x = 38,809,867,707.68
  5. Step 5: Solve for x
    x = 38,809,867,707.68/235,836.12
  6. Step 6: Final answer
    x = 164,562.87

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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.