Home / 260,790.24-391,218.30-73,801.80

Finding the Fourth Proportional to 260,790.24, 391,218.30 and 73,801.80

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Solution

The fourth proportional to 260,790.24, 391,218.30 and 73,801.80 is: 110,712.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,790.24 : 391,218.30 = 73,801.80 : x
  2. Step 2: Convert to fraction form
    260,790.24/391,218.30 = 73,801.80/x
  3. Step 3: Cross multiply
    260,790.24x = 391,218.30 × 73,801.80
  4. Step 4: Simplify right side
    260,790.24x = 28,872,614,732.94
  5. Step 5: Solve for x
    x = 28,872,614,732.94/260,790.24
  6. Step 6: Final answer
    x = 110,712.02

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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.