Home / 209,736.20-314,604.30-189,000.20

Finding the Fourth Proportional to 209,736.20, 314,604.30 and 189,000.20

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Solution

The fourth proportional to 209,736.20, 314,604.30 and 189,000.20 is: 283,500.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,736.20 : 314,604.30 = 189,000.20 : x
  2. Step 2: Convert to fraction form
    209,736.20/314,604.30 = 189,000.20/x
  3. Step 3: Cross multiply
    209,736.20x = 314,604.30 × 189,000.20
  4. Step 4: Simplify right side
    209,736.20x = 59,460,275,620.86
  5. Step 5: Solve for x
    x = 59,460,275,620.86/209,736.20
  6. Step 6: Final answer
    x = 283,500.30

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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.