Home / 293,611.96-405,177.62-172,761.07

Finding the Fourth Proportional to 293,611.96, 405,177.62 and 172,761.07

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Solution

The fourth proportional to 293,611.96, 405,177.62 and 172,761.07 is: 238,406.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,611.96 : 405,177.62 = 172,761.07 : x
  2. Step 2: Convert to fraction form
    293,611.96/405,177.62 = 172,761.07/x
  3. Step 3: Cross multiply
    293,611.96x = 405,177.62 × 172,761.07
  4. Step 4: Simplify right side
    293,611.96x = 69,998,919,171.25
  5. Step 5: Solve for x
    x = 69,998,919,171.25/293,611.96
  6. Step 6: Final answer
    x = 238,406.23

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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.