Home / 185,340.24-255,770.46-100,456.56

Finding the Fourth Proportional to 185,340.24, 255,770.46 and 100,456.56

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Solution

The fourth proportional to 185,340.24, 255,770.46 and 100,456.56 is: 138,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,340.24 : 255,770.46 = 100,456.56 : x
  2. Step 2: Convert to fraction form
    185,340.24/255,770.46 = 100,456.56/x
  3. Step 3: Cross multiply
    185,340.24x = 255,770.46 × 100,456.56
  4. Step 4: Simplify right side
    185,340.24x = 25,693,820,561.22
  5. Step 5: Solve for x
    x = 25,693,820,561.22/185,340.24
  6. Step 6: Final answer
    x = 138,630.56

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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.