Home / 261,771.58-361,205.43-147,028.23

Finding the Fourth Proportional to 261,771.58, 361,205.43 and 147,028.23

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Solution

The fourth proportional to 261,771.58, 361,205.43 and 147,028.23 is: 202,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,771.58 : 361,205.43 = 147,028.23 : x
  2. Step 2: Convert to fraction form
    261,771.58/361,205.43 = 147,028.23/x
  3. Step 3: Cross multiply
    261,771.58x = 361,205.43 × 147,028.23
  4. Step 4: Simplify right side
    261,771.58x = 53,107,394,487.93
  5. Step 5: Solve for x
    x = 53,107,394,487.93/261,771.58
  6. Step 6: Final answer
    x = 202,876.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.