Home / 253,621.92-350,005.68-140,446.56

Finding the Fourth Proportional to 253,621.92, 350,005.68 and 140,446.56

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Solution

The fourth proportional to 253,621.92, 350,005.68 and 140,446.56 is: 193,820.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,621.92 : 350,005.68 = 140,446.56 : x
  2. Step 2: Convert to fraction form
    253,621.92/350,005.68 = 140,446.56/x
  3. Step 3: Cross multiply
    253,621.92x = 350,005.68 × 140,446.56
  4. Step 4: Simplify right side
    253,621.92x = 49,157,093,736.46
  5. Step 5: Solve for x
    x = 49,157,093,736.46/253,621.92
  6. Step 6: Final answer
    x = 193,820.37

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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.