Home / 185,336.28-255,764.52-100,453.68

Finding the Fourth Proportional to 185,336.28, 255,764.52 and 100,453.68

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Solution

The fourth proportional to 185,336.28, 255,764.52 and 100,453.68 is: 138,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,336.28 : 255,764.52 = 100,453.68 : x
  2. Step 2: Convert to fraction form
    185,336.28/255,764.52 = 100,453.68/x
  3. Step 3: Cross multiply
    185,336.28x = 255,764.52 × 100,453.68
  4. Step 4: Simplify right side
    185,336.28x = 25,692,487,247.43
  5. Step 5: Solve for x
    x = 25,692,487,247.43/185,336.28
  6. Step 6: Final answer
    x = 138,626.32

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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.