Home / 220,957.02-331,178.41-126,253.54

Finding the Fourth Proportional to 220,957.02, 331,178.41 and 126,253.54

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Solution

The fourth proportional to 220,957.02, 331,178.41 and 126,253.54 is: 189,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,957.02 : 331,178.41 = 126,253.54 : x
  2. Step 2: Convert to fraction form
    220,957.02/331,178.41 = 126,253.54/x
  3. Step 3: Cross multiply
    220,957.02x = 331,178.41 × 126,253.54
  4. Step 4: Simplify right side
    220,957.02x = 41,812,446,634.07
  5. Step 5: Solve for x
    x = 41,812,446,634.07/220,957.02
  6. Step 6: Final answer
    x = 189,233.39

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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.