Home / 257,949.72-355,986.48-144,772.56

Finding the Fourth Proportional to 257,949.72, 355,986.48 and 144,772.56

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Solution

The fourth proportional to 257,949.72, 355,986.48 and 144,772.56 is: 199,795.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,949.72 : 355,986.48 = 144,772.56 : x
  2. Step 2: Convert to fraction form
    257,949.72/355,986.48 = 144,772.56/x
  3. Step 3: Cross multiply
    257,949.72x = 355,986.48 × 144,772.56
  4. Step 4: Simplify right side
    257,949.72x = 51,537,074,034.99
  5. Step 5: Solve for x
    x = 51,537,074,034.99/257,949.72
  6. Step 6: Final answer
    x = 199,795.04

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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.