Home / 231,223.68-319,076.82-135,753.84

Finding the Fourth Proportional to 231,223.68, 319,076.82 and 135,753.84

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Solution

The fourth proportional to 231,223.68, 319,076.82 and 135,753.84 is: 187,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,223.68 : 319,076.82 = 135,753.84 : x
  2. Step 2: Convert to fraction form
    231,223.68/319,076.82 = 135,753.84/x
  3. Step 3: Cross multiply
    231,223.68x = 319,076.82 × 135,753.84
  4. Step 4: Simplify right side
    231,223.68x = 43,315,903,569.99
  5. Step 5: Solve for x
    x = 43,315,903,569.99/231,223.68
  6. Step 6: Final answer
    x = 187,333.34

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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.