Home / 115,467.22-159,327.66-70,121.56

Finding the Fourth Proportional to 115,467.22, 159,327.66 and 70,121.56

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Solution

The fourth proportional to 115,467.22, 159,327.66 and 70,121.56 is: 96,757.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,467.22 : 159,327.66 = 70,121.56 : x
  2. Step 2: Convert to fraction form
    115,467.22/159,327.66 = 70,121.56/x
  3. Step 3: Cross multiply
    115,467.22x = 159,327.66 × 70,121.56
  4. Step 4: Simplify right side
    115,467.22x = 11,172,304,070.35
  5. Step 5: Solve for x
    x = 11,172,304,070.35/115,467.22
  6. Step 6: Final answer
    x = 96,757.37

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1.5x scale

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.