Home / 285,789.01-394,298.13-164,914.33

Finding the Fourth Proportional to 285,789.01, 394,298.13 and 164,914.33

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Solution

The fourth proportional to 285,789.01, 394,298.13 and 164,914.33 is: 227,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,789.01 : 394,298.13 = 164,914.33 : x
  2. Step 2: Convert to fraction form
    285,789.01/394,298.13 = 164,914.33/x
  3. Step 3: Cross multiply
    285,789.01x = 394,298.13 × 164,914.33
  4. Step 4: Simplify right side
    285,789.01x = 65,025,411,929.20
  5. Step 5: Solve for x
    x = 65,025,411,929.20/285,789.01
  6. Step 6: Final answer
    x = 227,529.43

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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.