Home / 222,200.39-306,635.21-126,705.03

Finding the Fourth Proportional to 222,200.39, 306,635.21 and 126,705.03

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Solution

The fourth proportional to 222,200.39, 306,635.21 and 126,705.03 is: 174,852.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,200.39 : 306,635.21 = 126,705.03 : x
  2. Step 2: Convert to fraction form
    222,200.39/306,635.21 = 126,705.03/x
  3. Step 3: Cross multiply
    222,200.39x = 306,635.21 × 126,705.03
  4. Step 4: Simplify right side
    222,200.39x = 38,852,222,848.58
  5. Step 5: Solve for x
    x = 38,852,222,848.58/222,200.39
  6. Step 6: Final answer
    x = 174,852.19

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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.