Home / 185,594.20-256,117.24-109,121.88

Finding the Fourth Proportional to 185,594.20, 256,117.24 and 109,121.88

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Solution

The fourth proportional to 185,594.20, 256,117.24 and 109,121.88 is: 150,586.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.20 : 256,117.24 = 109,121.88 : x
  2. Step 2: Convert to fraction form
    185,594.20/256,117.24 = 109,121.88/x
  3. Step 3: Cross multiply
    185,594.20x = 256,117.24 × 109,121.88
  4. Step 4: Simplify right side
    185,594.20x = 27,947,994,729.21
  5. Step 5: Solve for x
    x = 27,947,994,729.21/185,594.20
  6. Step 6: Final answer
    x = 150,586.57

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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.