Home / 192,534.54-288,740.39-66,144.30

Finding the Fourth Proportional to 192,534.54, 288,740.39 and 66,144.30

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Solution

The fourth proportional to 192,534.54, 288,740.39 and 66,144.30 is: 99,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,534.54 : 288,740.39 = 66,144.30 : x
  2. Step 2: Convert to fraction form
    192,534.54/288,740.39 = 66,144.30/x
  3. Step 3: Cross multiply
    192,534.54x = 288,740.39 × 66,144.30
  4. Step 4: Simplify right side
    192,534.54x = 19,098,530,647.56
  5. Step 5: Solve for x
    x = 19,098,530,647.56/192,534.54
  6. Step 6: Final answer
    x = 99,195.35

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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.