Home / 197,371.18-272,373.86-108,969.23

Finding the Fourth Proportional to 197,371.18, 272,373.86 and 108,969.23

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Solution

The fourth proportional to 197,371.18, 272,373.86 and 108,969.23 is: 150,378.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,371.18 : 272,373.86 = 108,969.23 : x
  2. Step 2: Convert to fraction form
    197,371.18/272,373.86 = 108,969.23/x
  3. Step 3: Cross multiply
    197,371.18x = 272,373.86 × 108,969.23
  4. Step 4: Simplify right side
    197,371.18x = 29,680,369,796.33
  5. Step 5: Solve for x
    x = 29,680,369,796.33/197,371.18
  6. Step 6: Final answer
    x = 150,378.44

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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.