Home / 115,162.26-158,928.84-64,175.06

Finding the Fourth Proportional to 115,162.26, 158,928.84 and 64,175.06

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Solution

The fourth proportional to 115,162.26, 158,928.84 and 64,175.06 is: 88,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,162.26 : 158,928.84 = 64,175.06 : x
  2. Step 2: Convert to fraction form
    115,162.26/158,928.84 = 64,175.06/x
  3. Step 3: Cross multiply
    115,162.26x = 158,928.84 × 64,175.06
  4. Step 4: Simplify right side
    115,162.26x = 10,199,267,842.73
  5. Step 5: Solve for x
    x = 10,199,267,842.73/115,162.26
  6. Step 6: Final answer
    x = 88,564.33

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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.