Home / 185,528.55-256,029.89-100,645.61

Finding the Fourth Proportional to 185,528.55, 256,029.89 and 100,645.61

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Solution

The fourth proportional to 185,528.55, 256,029.89 and 100,645.61 is: 138,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,528.55 : 256,029.89 = 100,645.61 : x
  2. Step 2: Convert to fraction form
    185,528.55/256,029.89 = 100,645.61/x
  3. Step 3: Cross multiply
    185,528.55x = 256,029.89 × 100,645.61
  4. Step 4: Simplify right side
    185,528.55x = 25,768,285,754.12
  5. Step 5: Solve for x
    x = 25,768,285,754.12/185,528.55
  6. Step 6: Final answer
    x = 138,891.21

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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.