Home / 203,927.05-305,998.50-148,226.86

Finding the Fourth Proportional to 203,927.05, 305,998.50 and 148,226.86

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Solution

The fourth proportional to 203,927.05, 305,998.50 and 148,226.86 is: 222,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,927.05 : 305,998.50 = 148,226.86 : x
  2. Step 2: Convert to fraction form
    203,927.05/305,998.50 = 148,226.86/x
  3. Step 3: Cross multiply
    203,927.05x = 305,998.50 × 148,226.86
  4. Step 4: Simplify right side
    203,927.05x = 45,357,196,819.71
  5. Step 5: Solve for x
    x = 45,357,196,819.71/203,927.05
  6. Step 6: Final answer
    x = 222,418.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.