Home / 221,786.04-306,029.34-126,294.60

Finding the Fourth Proportional to 221,786.04, 306,029.34 and 126,294.60

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Solution

The fourth proportional to 221,786.04, 306,029.34 and 126,294.60 is: 174,266.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,786.04 : 306,029.34 = 126,294.60 : x
  2. Step 2: Convert to fraction form
    221,786.04/306,029.34 = 126,294.60/x
  3. Step 3: Cross multiply
    221,786.04x = 306,029.34 × 126,294.60
  4. Step 4: Simplify right side
    221,786.04x = 38,649,853,083.56
  5. Step 5: Solve for x
    x = 38,649,853,083.56/221,786.04
  6. Step 6: Final answer
    x = 174,266.39

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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.