Home / 221,727.54-305,984.29-126,234.23

Finding the Fourth Proportional to 221,727.54, 305,984.29 and 126,234.23

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Solution

The fourth proportional to 221,727.54, 305,984.29 and 126,234.23 is: 174,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,727.54 : 305,984.29 = 126,234.23 : x
  2. Step 2: Convert to fraction form
    221,727.54/305,984.29 = 126,234.23/x
  3. Step 3: Cross multiply
    221,727.54x = 305,984.29 × 126,234.23
  4. Step 4: Simplify right side
    221,727.54x = 38,625,691,240.25
  5. Step 5: Solve for x
    x = 38,625,691,240.25/221,727.54
  6. Step 6: Final answer
    x = 174,203.40

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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.