Home / 115,166.51-158,923.20-63,473.33

Finding the Fourth Proportional to 115,166.51, 158,923.20 and 63,473.33

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Solution

The fourth proportional to 115,166.51, 158,923.20 and 63,473.33 is: 87,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,166.51 : 158,923.20 = 63,473.33 : x
  2. Step 2: Convert to fraction form
    115,166.51/158,923.20 = 63,473.33/x
  3. Step 3: Cross multiply
    115,166.51x = 158,923.20 × 63,473.33
  4. Step 4: Simplify right side
    115,166.51x = 10,087,383,923.64
  5. Step 5: Solve for x
    x = 10,087,383,923.64/115,166.51
  6. Step 6: Final answer
    x = 87,589.56

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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.