Home / 192,535.20-288,803.34-78,683.04

Finding the Fourth Proportional to 192,535.20, 288,803.34 and 78,683.04

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Solution

The fourth proportional to 192,535.20, 288,803.34 and 78,683.04 is: 118,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,535.20 : 288,803.34 = 78,683.04 : x
  2. Step 2: Convert to fraction form
    192,535.20/288,803.34 = 78,683.04/x
  3. Step 3: Cross multiply
    192,535.20x = 288,803.34 × 78,683.04
  4. Step 4: Simplify right side
    192,535.20x = 22,723,924,753.35
  5. Step 5: Solve for x
    x = 22,723,924,753.35/192,535.20
  6. Step 6: Final answer
    x = 118,024.78

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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.