Home / 185,065.25-255,390.18-100,182.38

Finding the Fourth Proportional to 185,065.25, 255,390.18 and 100,182.38

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Solution

The fourth proportional to 185,065.25, 255,390.18 and 100,182.38 is: 138,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,065.25 : 255,390.18 = 100,182.38 : x
  2. Step 2: Convert to fraction form
    185,065.25/255,390.18 = 100,182.38/x
  3. Step 3: Cross multiply
    185,065.25x = 255,390.18 × 100,182.38
  4. Step 4: Simplify right side
    185,065.25x = 25,585,596,061.03
  5. Step 5: Solve for x
    x = 25,585,596,061.03/185,065.25
  6. Step 6: Final answer
    x = 138,251.76

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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.