Home / 285,646.83-394,185.92-164,788.35

Finding the Fourth Proportional to 285,646.83, 394,185.92 and 164,788.35

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Solution

The fourth proportional to 285,646.83, 394,185.92 and 164,788.35 is: 227,404.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,646.83 : 394,185.92 = 164,788.35 : x
  2. Step 2: Convert to fraction form
    285,646.83/394,185.92 = 164,788.35/x
  3. Step 3: Cross multiply
    285,646.83x = 394,185.92 × 164,788.35
  4. Step 4: Simplify right side
    285,646.83x = 64,957,246,526.09
  5. Step 5: Solve for x
    x = 64,957,246,526.09/285,646.83
  6. Step 6: Final answer
    x = 227,404.05

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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.