Home / 185,217.12-255,600.41-100,334.18

Finding the Fourth Proportional to 185,217.12, 255,600.41 and 100,334.18

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Solution

The fourth proportional to 185,217.12, 255,600.41 and 100,334.18 is: 138,461.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,217.12 : 255,600.41 = 100,334.18 : x
  2. Step 2: Convert to fraction form
    185,217.12/255,600.41 = 100,334.18/x
  3. Step 3: Cross multiply
    185,217.12x = 255,600.41 × 100,334.18
  4. Step 4: Simplify right side
    185,217.12x = 25,645,455,765.34
  5. Step 5: Solve for x
    x = 25,645,455,765.34/185,217.12
  6. Step 6: Final answer
    x = 138,461.58

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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.