Home / 185,524.24-256,021.68-100,641.64

Finding the Fourth Proportional to 185,524.24, 256,021.68 and 100,641.64

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Solution

The fourth proportional to 185,524.24, 256,021.68 and 100,641.64 is: 138,884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,524.24 : 256,021.68 = 100,641.64 : x
  2. Step 2: Convert to fraction form
    185,524.24/256,021.68 = 100,641.64/x
  3. Step 3: Cross multiply
    185,524.24x = 256,021.68 × 100,641.64
  4. Step 4: Simplify right side
    185,524.24x = 25,766,441,750.76
  5. Step 5: Solve for x
    x = 25,766,441,750.76/185,524.24
  6. Step 6: Final answer
    x = 138,884.50

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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.