Home / 157,073.77-235,568.13-107,144.56

Finding the Fourth Proportional to 157,073.77, 235,568.13 and 107,144.56

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Solution

The fourth proportional to 157,073.77, 235,568.13 and 107,144.56 is: 160,687.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,073.77 : 235,568.13 = 107,144.56 : x
  2. Step 2: Convert to fraction form
    157,073.77/235,568.13 = 107,144.56/x
  3. Step 3: Cross multiply
    157,073.77x = 235,568.13 × 107,144.56
  4. Step 4: Simplify right side
    157,073.77x = 25,239,843,638.87
  5. Step 5: Solve for x
    x = 25,239,843,638.87/157,073.77
  6. Step 6: Final answer
    x = 160,687.83

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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.