Home / 235,204.92-352,818.90-68,979

Finding the Fourth Proportional to 235,204.92, 352,818.90 and 68,979

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Solution

The fourth proportional to 235,204.92, 352,818.90 and 68,979 is: 103,471.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,204.92 : 352,818.90 = 68,979 : x
  2. Step 2: Convert to fraction form
    235,204.92/352,818.90 = 68,979/x
  3. Step 3: Cross multiply
    235,204.92x = 352,818.90 × 68,979
  4. Step 4: Simplify right side
    235,204.92x = 24,337,094,903.10
  5. Step 5: Solve for x
    x = 24,337,094,903.10/235,204.92
  6. Step 6: Final answer
    x = 103,471.88

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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.