Home / 192,100.76-288,118.62-70,496.27

Finding the Fourth Proportional to 192,100.76, 288,118.62 and 70,496.27

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Solution

The fourth proportional to 192,100.76, 288,118.62 and 70,496.27 is: 105,732.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,100.76 : 288,118.62 = 70,496.27 : x
  2. Step 2: Convert to fraction form
    192,100.76/288,118.62 = 70,496.27/x
  3. Step 3: Cross multiply
    192,100.76x = 288,118.62 × 70,496.27
  4. Step 4: Simplify right side
    192,100.76x = 20,311,286,586.95
  5. Step 5: Solve for x
    x = 20,311,286,586.95/192,100.76
  6. Step 6: Final answer
    x = 105,732.47

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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.