Home / 286,103.91-394,783.02-171,355.68

Finding the Fourth Proportional to 286,103.91, 394,783.02 and 171,355.68

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Solution

The fourth proportional to 286,103.91, 394,783.02 and 171,355.68 is: 236,446.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,103.91 : 394,783.02 = 171,355.68 : x
  2. Step 2: Convert to fraction form
    286,103.91/394,783.02 = 171,355.68/x
  3. Step 3: Cross multiply
    286,103.91x = 394,783.02 × 171,355.68
  4. Step 4: Simplify right side
    286,103.91x = 67,648,312,844.55
  5. Step 5: Solve for x
    x = 67,648,312,844.55/286,103.91
  6. Step 6: Final answer
    x = 236,446.66

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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.