Home / 262,907.20-394,400.40-96,682.24

Finding the Fourth Proportional to 262,907.20, 394,400.40 and 96,682.24

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Solution

The fourth proportional to 262,907.20, 394,400.40 and 96,682.24 is: 145,037.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,907.20 : 394,400.40 = 96,682.24 : x
  2. Step 2: Convert to fraction form
    262,907.20/394,400.40 = 96,682.24/x
  3. Step 3: Cross multiply
    262,907.20x = 394,400.40 × 96,682.24
  4. Step 4: Simplify right side
    262,907.20x = 38,131,514,128.90
  5. Step 5: Solve for x
    x = 38,131,514,128.90/262,907.20
  6. Step 6: Final answer
    x = 145,037.92

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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.