Home / 257,553.30-355,409.02-150,140.82

Finding the Fourth Proportional to 257,553.30, 355,409.02 and 150,140.82

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Solution

The fourth proportional to 257,553.30, 355,409.02 and 150,140.82 is: 207,185.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,553.30 : 355,409.02 = 150,140.82 : x
  2. Step 2: Convert to fraction form
    257,553.30/355,409.02 = 150,140.82/x
  3. Step 3: Cross multiply
    257,553.30x = 355,409.02 × 150,140.82
  4. Step 4: Simplify right side
    257,553.30x = 53,361,401,698.20
  5. Step 5: Solve for x
    x = 53,361,401,698.20/257,553.30
  6. Step 6: Final answer
    x = 207,185.86

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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.