Home / 222,240.20-306,615.22-126,677.96

Finding the Fourth Proportional to 222,240.20, 306,615.22 and 126,677.96

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Solution

The fourth proportional to 222,240.20, 306,615.22 and 126,677.96 is: 174,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,240.20 : 306,615.22 = 126,677.96 : x
  2. Step 2: Convert to fraction form
    222,240.20/306,615.22 = 126,677.96/x
  3. Step 3: Cross multiply
    222,240.20x = 306,615.22 × 126,677.96
  4. Step 4: Simplify right side
    222,240.20x = 38,841,390,574.55
  5. Step 5: Solve for x
    x = 38,841,390,574.55/222,240.20
  6. Step 6: Final answer
    x = 174,772.12

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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.