Home / 171,073,178.80-256,609,768.20-169,561,524.40

Finding the Fourth Proportional to 171,073,178.80, 256,609,768.20 and 169,561,524.40

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Solution

The fourth proportional to 171,073,178.80, 256,609,768.20 and 169,561,524.40 is: 254,342,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,073,178.80 : 256,609,768.20 = 169,561,524.40 : x
  2. Step 2: Convert to fraction form
    171,073,178.80/256,609,768.20 = 169,561,524.40/x
  3. Step 3: Cross multiply
    171,073,178.80x = 256,609,768.20 × 169,561,524.40
  4. Step 4: Simplify right side
    171,073,178.80x = 43,511,143,471,922,640
  5. Step 5: Solve for x
    x = 43,511,143,471,922,640/171,073,178.80
  6. Step 6: Final answer
    x = 254,342,286.60

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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.