Home / 185,535.22-256,039.34-100,652.88

Finding the Fourth Proportional to 185,535.22, 256,039.34 and 100,652.88

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Solution

The fourth proportional to 185,535.22, 256,039.34 and 100,652.88 is: 138,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,535.22 : 256,039.34 = 100,652.88 : x
  2. Step 2: Convert to fraction form
    185,535.22/256,039.34 = 100,652.88/x
  3. Step 3: Cross multiply
    185,535.22x = 256,039.34 × 100,652.88
  4. Step 4: Simplify right side
    185,535.22x = 25,771,096,964.30
  5. Step 5: Solve for x
    x = 25,771,096,964.30/185,535.22
  6. Step 6: Final answer
    x = 138,901.37

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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.