Home / 206,649.41-285,176.03-116,005.55

Finding the Fourth Proportional to 206,649.41, 285,176.03 and 116,005.55

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Solution

The fourth proportional to 206,649.41, 285,176.03 and 116,005.55 is: 160,087.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,649.41 : 285,176.03 = 116,005.55 : x
  2. Step 2: Convert to fraction form
    206,649.41/285,176.03 = 116,005.55/x
  3. Step 3: Cross multiply
    206,649.41x = 285,176.03 × 116,005.55
  4. Step 4: Simplify right side
    206,649.41x = 33,082,000,201.06
  5. Step 5: Solve for x
    x = 33,082,000,201.06/206,649.41
  6. Step 6: Final answer
    x = 160,087.57

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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.