Home / 263,190.80-393,634.20-235,312.40

Finding the Fourth Proportional to 263,190.80, 393,634.20 and 235,312.40

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Solution

The fourth proportional to 263,190.80, 393,634.20 and 235,312.40 is: 351,938.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,190.80 : 393,634.20 = 235,312.40 : x
  2. Step 2: Convert to fraction form
    263,190.80/393,634.20 = 235,312.40/x
  3. Step 3: Cross multiply
    263,190.80x = 393,634.20 × 235,312.40
  4. Step 4: Simplify right side
    263,190.80x = 92,627,008,324.08
  5. Step 5: Solve for x
    x = 92,627,008,324.08/263,190.80
  6. Step 6: Final answer
    x = 351,938.63

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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.