Home / 192,319.60-288,532.73-80,052.70

Finding the Fourth Proportional to 192,319.60, 288,532.73 and 80,052.70

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Solution

The fourth proportional to 192,319.60, 288,532.73 and 80,052.70 is: 120,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,319.60 : 288,532.73 = 80,052.70 : x
  2. Step 2: Convert to fraction form
    192,319.60/288,532.73 = 80,052.70/x
  3. Step 3: Cross multiply
    192,319.60x = 288,532.73 × 80,052.70
  4. Step 4: Simplify right side
    192,319.60x = 23,097,824,074.87
  5. Step 5: Solve for x
    x = 23,097,824,074.87/192,319.60
  6. Step 6: Final answer
    x = 120,101.25

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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.