Home / 185,528.25-256,029.12-100,645.65

Finding the Fourth Proportional to 185,528.25, 256,029.12 and 100,645.65

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Solution

The fourth proportional to 185,528.25, 256,029.12 and 100,645.65 is: 138,891.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,528.25 : 256,029.12 = 100,645.65 : x
  2. Step 2: Convert to fraction form
    185,528.25/256,029.12 = 100,645.65/x
  3. Step 3: Cross multiply
    185,528.25x = 256,029.12 × 100,645.65
  4. Step 4: Simplify right side
    185,528.25x = 25,768,217,201.33
  5. Step 5: Solve for x
    x = 25,768,217,201.33/185,528.25
  6. Step 6: Final answer
    x = 138,891.07

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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.