Home / 106,960.36-148,280.56-101,272

Finding the Fourth Proportional to 106,960.36, 148,280.56 and 101,272

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Solution

The fourth proportional to 106,960.36, 148,280.56 and 101,272 is: 140,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,960.36 : 148,280.56 = 101,272 : x
  2. Step 2: Convert to fraction form
    106,960.36/148,280.56 = 101,272/x
  3. Step 3: Cross multiply
    106,960.36x = 148,280.56 × 101,272
  4. Step 4: Simplify right side
    106,960.36x = 15,016,668,872.32
  5. Step 5: Solve for x
    x = 15,016,668,872.32/106,960.36
  6. Step 6: Final answer
    x = 140,394.71

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.