Home / 231,297.70-319,192.83-127,930.16

Finding the Fourth Proportional to 231,297.70, 319,192.83 and 127,930.16

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Solution

The fourth proportional to 231,297.70, 319,192.83 and 127,930.16 is: 176,544.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,297.70 : 319,192.83 = 127,930.16 : x
  2. Step 2: Convert to fraction form
    231,297.70/319,192.83 = 127,930.16/x
  3. Step 3: Cross multiply
    231,297.70x = 319,192.83 × 127,930.16
  4. Step 4: Simplify right side
    231,297.70x = 40,834,389,812.75
  5. Step 5: Solve for x
    x = 40,834,389,812.75/231,297.70
  6. Step 6: Final answer
    x = 176,544.73

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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.