Home / 231,350.36-319,257.50-127,988.37

Finding the Fourth Proportional to 231,350.36, 319,257.50 and 127,988.37

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Solution

The fourth proportional to 231,350.36, 319,257.50 and 127,988.37 is: 176,620.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,350.36 : 319,257.50 = 127,988.37 : x
  2. Step 2: Convert to fraction form
    231,350.36/319,257.50 = 127,988.37/x
  3. Step 3: Cross multiply
    231,350.36x = 319,257.50 × 127,988.37
  4. Step 4: Simplify right side
    231,350.36x = 40,861,247,035.28
  5. Step 5: Solve for x
    x = 40,861,247,035.28/231,350.36
  6. Step 6: Final answer
    x = 176,620.63

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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.