Home / 195,711.45-270,077.24-115,144.17

Finding the Fourth Proportional to 195,711.45, 270,077.24 and 115,144.17

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Solution

The fourth proportional to 195,711.45, 270,077.24 and 115,144.17 is: 158,896.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,711.45 : 270,077.24 = 115,144.17 : x
  2. Step 2: Convert to fraction form
    195,711.45/270,077.24 = 115,144.17/x
  3. Step 3: Cross multiply
    195,711.45x = 270,077.24 × 115,144.17
  4. Step 4: Simplify right side
    195,711.45x = 31,097,819,059.97
  5. Step 5: Solve for x
    x = 31,097,819,059.97/195,711.45
  6. Step 6: Final answer
    x = 158,896.27

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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.