Home / 147,822.31-203,934.38-109,152.79

Finding the Fourth Proportional to 147,822.31, 203,934.38 and 109,152.79

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Solution

The fourth proportional to 147,822.31, 203,934.38 and 109,152.79 is: 150,586.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,822.31 : 203,934.38 = 109,152.79 : x
  2. Step 2: Convert to fraction form
    147,822.31/203,934.38 = 109,152.79/x
  3. Step 3: Cross multiply
    147,822.31x = 203,934.38 × 109,152.79
  4. Step 4: Simplify right side
    147,822.31x = 22,260,006,553.92
  5. Step 5: Solve for x
    x = 22,260,006,553.92/147,822.31
  6. Step 6: Final answer
    x = 150,586.24

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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.