Home / 257,799.94-355,766.34-144,625.12

Finding the Fourth Proportional to 257,799.94, 355,766.34 and 144,625.12

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Solution

The fourth proportional to 257,799.94, 355,766.34 and 144,625.12 is: 199,584.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,799.94 : 355,766.34 = 144,625.12 : x
  2. Step 2: Convert to fraction form
    257,799.94/355,766.34 = 144,625.12/x
  3. Step 3: Cross multiply
    257,799.94x = 355,766.34 × 144,625.12
  4. Step 4: Simplify right side
    257,799.94x = 51,452,749,267.39
  5. Step 5: Solve for x
    x = 51,452,749,267.39/257,799.94
  6. Step 6: Final answer
    x = 199,584.03

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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.