Home / 185,712.24-256,288.14-109,236.90

Finding the Fourth Proportional to 185,712.24, 256,288.14 and 109,236.90

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Solution

The fourth proportional to 185,712.24, 256,288.14 and 109,236.90 is: 150,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,712.24 : 256,288.14 = 109,236.90 : x
  2. Step 2: Convert to fraction form
    185,712.24/256,288.14 = 109,236.90/x
  3. Step 3: Cross multiply
    185,712.24x = 256,288.14 × 109,236.90
  4. Step 4: Simplify right side
    185,712.24x = 27,996,121,920.37
  5. Step 5: Solve for x
    x = 27,996,121,920.37/185,712.24
  6. Step 6: Final answer
    x = 150,750.01

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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.