Home / 166,851.20-230,257.60-91,394.80

Finding the Fourth Proportional to 166,851.20, 230,257.60 and 91,394.80

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Solution

The fourth proportional to 166,851.20, 230,257.60 and 91,394.80 is: 126,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,851.20 : 230,257.60 = 91,394.80 : x
  2. Step 2: Convert to fraction form
    166,851.20/230,257.60 = 91,394.80/x
  3. Step 3: Cross multiply
    166,851.20x = 230,257.60 × 91,394.80
  4. Step 4: Simplify right side
    166,851.20x = 21,044,347,300.48
  5. Step 5: Solve for x
    x = 21,044,347,300.48/166,851.20
  6. Step 6: Final answer
    x = 126,126.44

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1.5x scale

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.