Home / 263,572.20-395,358.30-193,588.20

Finding the Fourth Proportional to 263,572.20, 395,358.30 and 193,588.20

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Solution

The fourth proportional to 263,572.20, 395,358.30 and 193,588.20 is: 290,382.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,572.20 : 395,358.30 = 193,588.20 : x
  2. Step 2: Convert to fraction form
    263,572.20/395,358.30 = 193,588.20/x
  3. Step 3: Cross multiply
    263,572.20x = 395,358.30 × 193,588.20
  4. Step 4: Simplify right side
    263,572.20x = 76,536,701,652.06
  5. Step 5: Solve for x
    x = 76,536,701,652.06/263,572.20
  6. Step 6: Final answer
    x = 290,382.30

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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.