Home / 235,603.20-353,286.48-109,134.72

Finding the Fourth Proportional to 235,603.20, 353,286.48 and 109,134.72

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Solution

The fourth proportional to 235,603.20, 353,286.48 and 109,134.72 is: 163,647.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,603.20 : 353,286.48 = 109,134.72 : x
  2. Step 2: Convert to fraction form
    235,603.20/353,286.48 = 109,134.72/x
  3. Step 3: Cross multiply
    235,603.20x = 353,286.48 × 109,134.72
  4. Step 4: Simplify right side
    235,603.20x = 38,555,821,074.59
  5. Step 5: Solve for x
    x = 38,555,821,074.59/235,603.20
  6. Step 6: Final answer
    x = 163,647.27

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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.