Home / 206,723.70-285,261.21-116,072.55

Finding the Fourth Proportional to 206,723.70, 285,261.21 and 116,072.55

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Solution

The fourth proportional to 206,723.70, 285,261.21 and 116,072.55 is: 160,170.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,723.70 : 285,261.21 = 116,072.55 : x
  2. Step 2: Convert to fraction form
    206,723.70/285,261.21 = 116,072.55/x
  3. Step 3: Cross multiply
    206,723.70x = 285,261.21 × 116,072.55
  4. Step 4: Simplify right side
    206,723.70x = 33,110,996,060.79
  5. Step 5: Solve for x
    x = 33,110,996,060.79/206,723.70
  6. Step 6: Final answer
    x = 160,170.30

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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.