Home / 185,758.20-256,387.14-122,101.92

Finding the Fourth Proportional to 185,758.20, 256,387.14 and 122,101.92

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Solution

The fourth proportional to 185,758.20, 256,387.14 and 122,101.92 is: 168,527.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,758.20 : 256,387.14 = 122,101.92 : x
  2. Step 2: Convert to fraction form
    185,758.20/256,387.14 = 122,101.92/x
  3. Step 3: Cross multiply
    185,758.20x = 256,387.14 × 122,101.92
  4. Step 4: Simplify right side
    185,758.20x = 31,305,362,057.31
  5. Step 5: Solve for x
    x = 31,305,362,057.31/185,758.20
  6. Step 6: Final answer
    x = 168,527.48

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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.