Home / 393,226.20-589,985.10-156,738.60

Finding the Fourth Proportional to 393,226.20, 589,985.10 and 156,738.60

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Solution

The fourth proportional to 393,226.20, 589,985.10 and 156,738.60 is: 235,166.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,226.20 : 589,985.10 = 156,738.60 : x
  2. Step 2: Convert to fraction form
    393,226.20/589,985.10 = 156,738.60/x
  3. Step 3: Cross multiply
    393,226.20x = 589,985.10 × 156,738.60
  4. Step 4: Simplify right side
    393,226.20x = 92,473,438,594.86
  5. Step 5: Solve for x
    x = 92,473,438,594.86/393,226.20
  6. Step 6: Final answer
    x = 235,166.02

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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.