Home / 171,001.28-256,363.56-71,236.42

Finding the Fourth Proportional to 171,001.28, 256,363.56 and 71,236.42

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Solution

The fourth proportional to 171,001.28, 256,363.56 and 71,236.42 is: 106,796.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,001.28 : 256,363.56 = 71,236.42 : x
  2. Step 2: Convert to fraction form
    171,001.28/256,363.56 = 71,236.42/x
  3. Step 3: Cross multiply
    171,001.28x = 256,363.56 × 71,236.42
  4. Step 4: Simplify right side
    171,001.28x = 18,262,421,591.95
  5. Step 5: Solve for x
    x = 18,262,421,591.95/171,001.28
  6. Step 6: Final answer
    x = 106,796.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.