Home / 170,666.01-256,220.78-131,251.05

Finding the Fourth Proportional to 170,666.01, 256,220.78 and 131,251.05

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Solution

The fourth proportional to 170,666.01, 256,220.78 and 131,251.05 is: 197,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,666.01 : 256,220.78 = 131,251.05 : x
  2. Step 2: Convert to fraction form
    170,666.01/256,220.78 = 131,251.05/x
  3. Step 3: Cross multiply
    170,666.01x = 256,220.78 × 131,251.05
  4. Step 4: Simplify right side
    170,666.01x = 33,629,245,750.56
  5. Step 5: Solve for x
    x = 33,629,245,750.56/170,666.01
  6. Step 6: Final answer
    x = 197,047.12

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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.