Home / 231,533.06-319,414.19-135,996.66

Finding the Fourth Proportional to 231,533.06, 319,414.19 and 135,996.66

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Solution

The fourth proportional to 231,533.06, 319,414.19 and 135,996.66 is: 187,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,533.06 : 319,414.19 = 135,996.66 : x
  2. Step 2: Convert to fraction form
    231,533.06/319,414.19 = 135,996.66/x
  3. Step 3: Cross multiply
    231,533.06x = 319,414.19 × 135,996.66
  4. Step 4: Simplify right side
    231,533.06x = 43,439,262,316.62
  5. Step 5: Solve for x
    x = 43,439,262,316.62/231,533.06
  6. Step 6: Final answer
    x = 187,615.81

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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.