Home / 209,197.52-313,697.72-75,983.84

Finding the Fourth Proportional to 209,197.52, 313,697.72 and 75,983.84

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Solution

The fourth proportional to 209,197.52, 313,697.72 and 75,983.84 is: 113,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,197.52 : 313,697.72 = 75,983.84 : x
  2. Step 2: Convert to fraction form
    209,197.52/313,697.72 = 75,983.84/x
  3. Step 3: Cross multiply
    209,197.52x = 313,697.72 × 75,983.84
  4. Step 4: Simplify right side
    209,197.52x = 23,835,957,364.84
  5. Step 5: Solve for x
    x = 23,835,957,364.84/209,197.52
  6. Step 6: Final answer
    x = 113,939.96

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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.