Home / 231,168.43-319,009.94-127,802.18

Finding the Fourth Proportional to 231,168.43, 319,009.94 and 127,802.18

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Solution

The fourth proportional to 231,168.43, 319,009.94 and 127,802.18 is: 176,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,168.43 : 319,009.94 = 127,802.18 : x
  2. Step 2: Convert to fraction form
    231,168.43/319,009.94 = 127,802.18/x
  3. Step 3: Cross multiply
    231,168.43x = 319,009.94 × 127,802.18
  4. Step 4: Simplify right side
    231,168.43x = 40,770,166,233.11
  5. Step 5: Solve for x
    x = 40,770,166,233.11/231,168.43
  6. Step 6: Final answer
    x = 176,365.63

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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.