Home / 168,986.54-233,212.70-97,371.20

Finding the Fourth Proportional to 168,986.54, 233,212.70 and 97,371.20

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Solution

The fourth proportional to 168,986.54, 233,212.70 and 97,371.20 is: 134,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,986.54 : 233,212.70 = 97,371.20 : x
  2. Step 2: Convert to fraction form
    168,986.54/233,212.70 = 97,371.20/x
  3. Step 3: Cross multiply
    168,986.54x = 233,212.70 × 97,371.20
  4. Step 4: Simplify right side
    168,986.54x = 22,708,198,801.32
  5. Step 5: Solve for x
    x = 22,708,198,801.32/168,986.54
  6. Step 6: Final answer
    x = 134,378.75

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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.