Home / 263,430.30-395,145.45-158,195.10

Finding the Fourth Proportional to 263,430.30, 395,145.45 and 158,195.10

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Solution

The fourth proportional to 263,430.30, 395,145.45 and 158,195.10 is: 237,292.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,430.30 : 395,145.45 = 158,195.10 : x
  2. Step 2: Convert to fraction form
    263,430.30/395,145.45 = 158,195.10/x
  3. Step 3: Cross multiply
    263,430.30x = 395,145.45 × 158,195.10
  4. Step 4: Simplify right side
    263,430.30x = 62,510,073,977.30
  5. Step 5: Solve for x
    x = 62,510,073,977.30/263,430.30
  6. Step 6: Final answer
    x = 237,292.65

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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.