Home / 222,030.72-306,391.32-126,541.44

Finding the Fourth Proportional to 222,030.72, 306,391.32 and 126,541.44

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Solution

The fourth proportional to 222,030.72, 306,391.32 and 126,541.44 is: 174,620.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,030.72 : 306,391.32 = 126,541.44 : x
  2. Step 2: Convert to fraction form
    222,030.72/306,391.32 = 126,541.44/x
  3. Step 3: Cross multiply
    222,030.72x = 306,391.32 × 126,541.44
  4. Step 4: Simplify right side
    222,030.72x = 38,771,198,836.30
  5. Step 5: Solve for x
    x = 38,771,198,836.30/222,030.72
  6. Step 6: Final answer
    x = 174,620.88

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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.