Home / 222,025.05-306,402.35-126,516.33

Finding the Fourth Proportional to 222,025.05, 306,402.35 and 126,516.33

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Solution

The fourth proportional to 222,025.05, 306,402.35 and 126,516.33 is: 174,596.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,025.05 : 306,402.35 = 126,516.33 : x
  2. Step 2: Convert to fraction form
    222,025.05/306,402.35 = 126,516.33/x
  3. Step 3: Cross multiply
    222,025.05x = 306,402.35 × 126,516.33
  4. Step 4: Simplify right side
    222,025.05x = 38,764,900,192.79
  5. Step 5: Solve for x
    x = 38,764,900,192.79/222,025.05
  6. Step 6: Final answer
    x = 174,596.97

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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.