Home / 117,248.20-161,850.90-83,759.56

Finding the Fourth Proportional to 117,248.20, 161,850.90 and 83,759.56

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Solution

The fourth proportional to 117,248.20, 161,850.90 and 83,759.56 is: 115,622.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,248.20 : 161,850.90 = 83,759.56 : x
  2. Step 2: Convert to fraction form
    117,248.20/161,850.90 = 83,759.56/x
  3. Step 3: Cross multiply
    117,248.20x = 161,850.90 × 83,759.56
  4. Step 4: Simplify right side
    117,248.20x = 13,556,560,169.60
  5. Step 5: Solve for x
    x = 13,556,560,169.60/117,248.20
  6. Step 6: Final answer
    x = 115,622.76

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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.