Home / 257,537.62-355,400.79-144,360.37

Finding the Fourth Proportional to 257,537.62, 355,400.79 and 144,360.37

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Solution

The fourth proportional to 257,537.62, 355,400.79 and 144,360.37 is: 199,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,537.62 : 355,400.79 = 144,360.37 : x
  2. Step 2: Convert to fraction form
    257,537.62/355,400.79 = 144,360.37/x
  3. Step 3: Cross multiply
    257,537.62x = 355,400.79 × 144,360.37
  4. Step 4: Simplify right side
    257,537.62x = 51,305,787,765.69
  5. Step 5: Solve for x
    x = 51,305,787,765.69/257,537.62
  6. Step 6: Final answer
    x = 199,216.68

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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.