Home / 185,171.40-255,535.26-100,286.76

Finding the Fourth Proportional to 185,171.40, 255,535.26 and 100,286.76

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Solution

The fourth proportional to 185,171.40, 255,535.26 and 100,286.76 is: 138,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,171.40 : 255,535.26 = 100,286.76 : x
  2. Step 2: Convert to fraction form
    185,171.40/255,535.26 = 100,286.76/x
  3. Step 3: Cross multiply
    185,171.40x = 255,535.26 × 100,286.76
  4. Step 4: Simplify right side
    185,171.40x = 25,626,803,291.16
  5. Step 5: Solve for x
    x = 25,626,803,291.16/185,171.40
  6. Step 6: Final answer
    x = 138,395.04

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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.