Home / 285,723.68-394,295.52-164,863.52

Finding the Fourth Proportional to 285,723.68, 394,295.52 and 164,863.52

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Solution

The fourth proportional to 285,723.68, 394,295.52 and 164,863.52 is: 227,509.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,723.68 : 394,295.52 = 164,863.52 : x
  2. Step 2: Convert to fraction form
    285,723.68/394,295.52 = 164,863.52/x
  3. Step 3: Cross multiply
    285,723.68x = 394,295.52 × 164,863.52
  4. Step 4: Simplify right side
    285,723.68x = 65,004,947,347.43
  5. Step 5: Solve for x
    x = 65,004,947,347.43/285,723.68
  6. Step 6: Final answer
    x = 227,509.84

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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.