Home / 222,201.14-306,636.24-126,705.78

Finding the Fourth Proportional to 222,201.14, 306,636.24 and 126,705.78

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Solution

The fourth proportional to 222,201.14, 306,636.24 and 126,705.78 is: 174,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,201.14 : 306,636.24 = 126,705.78 : x
  2. Step 2: Convert to fraction form
    222,201.14/306,636.24 = 126,705.78/x
  3. Step 3: Cross multiply
    222,201.14x = 306,636.24 × 126,705.78
  4. Step 4: Simplify right side
    222,201.14x = 38,852,583,965.47
  5. Step 5: Solve for x
    x = 38,852,583,965.47/222,201.14
  6. Step 6: Final answer
    x = 174,853.22

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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.