Home / 251,632.90-347,247.03-136,906.66

Finding the Fourth Proportional to 251,632.90, 347,247.03 and 136,906.66

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Solution

The fourth proportional to 251,632.90, 347,247.03 and 136,906.66 is: 188,927.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,632.90 : 347,247.03 = 136,906.66 : x
  2. Step 2: Convert to fraction form
    251,632.90/347,247.03 = 136,906.66/x
  3. Step 3: Cross multiply
    251,632.90x = 347,247.03 × 136,906.66
  4. Step 4: Simplify right side
    251,632.90x = 47,540,431,072.22
  5. Step 5: Solve for x
    x = 47,540,431,072.22/251,632.90
  6. Step 6: Final answer
    x = 188,927.72

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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.