Home / 393,941.20-591,096.34-194,152.60

Finding the Fourth Proportional to 393,941.20, 591,096.34 and 194,152.60

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Solution

The fourth proportional to 393,941.20, 591,096.34 and 194,152.60 is: 291,319.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,941.20 : 591,096.34 = 194,152.60 : x
  2. Step 2: Convert to fraction form
    393,941.20/591,096.34 = 194,152.60/x
  3. Step 3: Cross multiply
    393,941.20x = 591,096.34 × 194,152.60
  4. Step 4: Simplify right side
    393,941.20x = 114,762,891,261.48
  5. Step 5: Solve for x
    x = 114,762,891,261.48/393,941.20
  6. Step 6: Final answer
    x = 291,319.85

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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.