Home / 157,039.10-235,469.12-107,179.56

Finding the Fourth Proportional to 157,039.10, 235,469.12 and 107,179.56

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Solution

The fourth proportional to 157,039.10, 235,469.12 and 107,179.56 is: 160,708.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,039.10 : 235,469.12 = 107,179.56 : x
  2. Step 2: Convert to fraction form
    157,039.10/235,469.12 = 107,179.56/x
  3. Step 3: Cross multiply
    157,039.10x = 235,469.12 × 107,179.56
  4. Step 4: Simplify right side
    157,039.10x = 25,237,476,675.19
  5. Step 5: Solve for x
    x = 25,237,476,675.19/157,039.10
  6. Step 6: Final answer
    x = 160,708.24

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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.