Home / 293,439.11-439,860.88-166,817.78

Finding the Fourth Proportional to 293,439.11, 439,860.88 and 166,817.78

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Solution

The fourth proportional to 293,439.11, 439,860.88 and 166,817.78 is: 250,057.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,439.11 : 439,860.88 = 166,817.78 : x
  2. Step 2: Convert to fraction form
    293,439.11/439,860.88 = 166,817.78/x
  3. Step 3: Cross multiply
    293,439.11x = 439,860.88 × 166,817.78
  4. Step 4: Simplify right side
    293,439.11x = 73,376,615,169.14
  5. Step 5: Solve for x
    x = 73,376,615,169.14/293,439.11
  6. Step 6: Final answer
    x = 250,057.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.