Home / 220,816.90-331,243.35-94,458.10

Finding the Fourth Proportional to 220,816.90, 331,243.35 and 94,458.10

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Solution

The fourth proportional to 220,816.90, 331,243.35 and 94,458.10 is: 141,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,816.90 : 331,243.35 = 94,458.10 : x
  2. Step 2: Convert to fraction form
    220,816.90/331,243.35 = 94,458.10/x
  3. Step 3: Cross multiply
    220,816.90x = 331,243.35 × 94,458.10
  4. Step 4: Simplify right side
    220,816.90x = 31,288,617,478.64
  5. Step 5: Solve for x
    x = 31,288,617,478.64/220,816.90
  6. Step 6: Final answer
    x = 141,694.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.