Home / 195,402.47-269,660.23-109,360.78

Finding the Fourth Proportional to 195,402.47, 269,660.23 and 109,360.78

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Solution

The fourth proportional to 195,402.47, 269,660.23 and 109,360.78 is: 150,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,402.47 : 269,660.23 = 109,360.78 : x
  2. Step 2: Convert to fraction form
    195,402.47/269,660.23 = 109,360.78/x
  3. Step 3: Cross multiply
    195,402.47x = 269,660.23 × 109,360.78
  4. Step 4: Simplify right side
    195,402.47x = 29,490,252,140.23
  5. Step 5: Solve for x
    x = 29,490,252,140.23/195,402.47
  6. Step 6: Final answer
    x = 150,920.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.