Home / 201,480.11-278,040.54-110,836.17

Finding the Fourth Proportional to 201,480.11, 278,040.54 and 110,836.17

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Solution

The fourth proportional to 201,480.11, 278,040.54 and 110,836.17 is: 152,952.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,480.11 : 278,040.54 = 110,836.17 : x
  2. Step 2: Convert to fraction form
    201,480.11/278,040.54 = 110,836.17/x
  3. Step 3: Cross multiply
    201,480.11x = 278,040.54 × 110,836.17
  4. Step 4: Simplify right side
    201,480.11x = 30,816,948,558.33
  5. Step 5: Solve for x
    x = 30,816,948,558.33/201,480.11
  6. Step 6: Final answer
    x = 152,952.81

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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.