Home / 192,818.97-265,831.07-135,381.33

Finding the Fourth Proportional to 192,818.97, 265,831.07 and 135,381.33

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Solution

The fourth proportional to 192,818.97, 265,831.07 and 135,381.33 is: 186,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,818.97 : 265,831.07 = 135,381.33 : x
  2. Step 2: Convert to fraction form
    192,818.97/265,831.07 = 135,381.33/x
  3. Step 3: Cross multiply
    192,818.97x = 265,831.07 × 135,381.33
  4. Step 4: Simplify right side
    192,818.97x = 35,988,563,135.02
  5. Step 5: Solve for x
    x = 35,988,563,135.02/192,818.97
  6. Step 6: Final answer
    x = 186,644.31

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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.