Home / 185,217.24-255,599.91-100,334.64

Finding the Fourth Proportional to 185,217.24, 255,599.91 and 100,334.64

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Solution

The fourth proportional to 185,217.24, 255,599.91 and 100,334.64 is: 138,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,217.24 : 255,599.91 = 100,334.64 : x
  2. Step 2: Convert to fraction form
    185,217.24/255,599.91 = 100,334.64/x
  3. Step 3: Cross multiply
    185,217.24x = 255,599.91 × 100,334.64
  4. Step 4: Simplify right side
    185,217.24x = 25,645,524,953.88
  5. Step 5: Solve for x
    x = 25,645,524,953.88/185,217.24
  6. Step 6: Final answer
    x = 138,461.87

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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.