Home / 185,721.92-256,301.44-100,844.16

Finding the Fourth Proportional to 185,721.92, 256,301.44 and 100,844.16

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Solution

The fourth proportional to 185,721.92, 256,301.44 and 100,844.16 is: 139,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,721.92 : 256,301.44 = 100,844.16 : x
  2. Step 2: Convert to fraction form
    185,721.92/256,301.44 = 100,844.16/x
  3. Step 3: Cross multiply
    185,721.92x = 256,301.44 × 100,844.16
  4. Step 4: Simplify right side
    185,721.92x = 25,846,503,423.59
  5. Step 5: Solve for x
    x = 25,846,503,423.59/185,721.92
  6. Step 6: Final answer
    x = 139,167.76

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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.