Home / 285,550.52-394,101.05-164,667.74

Finding the Fourth Proportional to 285,550.52, 394,101.05 and 164,667.74

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Solution

The fourth proportional to 285,550.52, 394,101.05 and 164,667.74 is: 227,265.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,550.52 : 394,101.05 = 164,667.74 : x
  2. Step 2: Convert to fraction form
    285,550.52/394,101.05 = 164,667.74/x
  3. Step 3: Cross multiply
    285,550.52x = 394,101.05 × 164,667.74
  4. Step 4: Simplify right side
    285,550.52x = 64,895,726,441.28
  5. Step 5: Solve for x
    x = 64,895,726,441.28/285,550.52
  6. Step 6: Final answer
    x = 227,265.31

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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.