Home / 222,565.28-307,155.15-125,735.54

Finding the Fourth Proportional to 222,565.28, 307,155.15 and 125,735.54

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Solution

The fourth proportional to 222,565.28, 307,155.15 and 125,735.54 is: 173,523.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565.28 : 307,155.15 = 125,735.54 : x
  2. Step 2: Convert to fraction form
    222,565.28/307,155.15 = 125,735.54/x
  3. Step 3: Cross multiply
    222,565.28x = 307,155.15 × 125,735.54
  4. Step 4: Simplify right side
    222,565.28x = 38,620,318,020.35
  5. Step 5: Solve for x
    x = 38,620,318,020.35/222,565.28
  6. Step 6: Final answer
    x = 173,523.56

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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.