Home / 195,701.96-270,069.78-115,132.52

Finding the Fourth Proportional to 195,701.96, 270,069.78 and 115,132.52

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Solution

The fourth proportional to 195,701.96, 270,069.78 and 115,132.52 is: 158,883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,701.96 : 270,069.78 = 115,132.52 : x
  2. Step 2: Convert to fraction form
    195,701.96/270,069.78 = 115,132.52/x
  3. Step 3: Cross multiply
    195,701.96x = 270,069.78 × 115,132.52
  4. Step 4: Simplify right side
    195,701.96x = 31,093,814,347.25
  5. Step 5: Solve for x
    x = 31,093,814,347.25/195,701.96
  6. Step 6: Final answer
    x = 158,883.51

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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.