Home / 151,215.92-226,911.76-83,754.80

Finding the Fourth Proportional to 151,215.92, 226,911.76 and 83,754.80

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Solution

The fourth proportional to 151,215.92, 226,911.76 and 83,754.80 is: 125,680.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,215.92 : 226,911.76 = 83,754.80 : x
  2. Step 2: Convert to fraction form
    151,215.92/226,911.76 = 83,754.80/x
  3. Step 3: Cross multiply
    151,215.92x = 226,911.76 × 83,754.80
  4. Step 4: Simplify right side
    151,215.92x = 19,004,949,076.45
  5. Step 5: Solve for x
    x = 19,004,949,076.45/151,215.92
  6. Step 6: Final answer
    x = 125,680.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.