Home / 221,747.44-306,011.79-126,254.22

Finding the Fourth Proportional to 221,747.44, 306,011.79 and 126,254.22

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Solution

The fourth proportional to 221,747.44, 306,011.79 and 126,254.22 is: 174,231.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,747.44 : 306,011.79 = 126,254.22 : x
  2. Step 2: Convert to fraction form
    221,747.44/306,011.79 = 126,254.22/x
  3. Step 3: Cross multiply
    221,747.44x = 306,011.79 × 126,254.22
  4. Step 4: Simplify right side
    221,747.44x = 38,635,279,857.25
  5. Step 5: Solve for x
    x = 38,635,279,857.25/221,747.44
  6. Step 6: Final answer
    x = 174,231.01

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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.