Home / 205,865.93-308,767.30-56,118.23

Finding the Fourth Proportional to 205,865.93, 308,767.30 and 56,118.23

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Solution

The fourth proportional to 205,865.93, 308,767.30 and 56,118.23 is: 84,168.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,865.93 : 308,767.30 = 56,118.23 : x
  2. Step 2: Convert to fraction form
    205,865.93/308,767.30 = 56,118.23/x
  3. Step 3: Cross multiply
    205,865.93x = 308,767.30 × 56,118.23
  4. Step 4: Simplify right side
    205,865.93x = 17,327,474,357.88
  5. Step 5: Solve for x
    x = 17,327,474,357.88/205,865.93
  6. Step 6: Final answer
    x = 84,168.73

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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.