Home / 185,754.36-256,346.10-109,278.84

Finding the Fourth Proportional to 185,754.36, 256,346.10 and 109,278.84

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Solution

The fourth proportional to 185,754.36, 256,346.10 and 109,278.84 is: 150,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,754.36 : 256,346.10 = 109,278.84 : x
  2. Step 2: Convert to fraction form
    185,754.36/256,346.10 = 109,278.84/x
  3. Step 3: Cross multiply
    185,754.36x = 256,346.10 × 109,278.84
  4. Step 4: Simplify right side
    185,754.36x = 28,013,204,446.52
  5. Step 5: Solve for x
    x = 28,013,204,446.52/185,754.36
  6. Step 6: Final answer
    x = 150,807.79

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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.