Home / 217,837.58-326,776.54-84,727.94

Finding the Fourth Proportional to 217,837.58, 326,776.54 and 84,727.94

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Solution

The fourth proportional to 217,837.58, 326,776.54 and 84,727.94 is: 127,099.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,837.58 : 326,776.54 = 84,727.94 : x
  2. Step 2: Convert to fraction form
    217,837.58/326,776.54 = 84,727.94/x
  3. Step 3: Cross multiply
    217,837.58x = 326,776.54 × 84,727.94
  4. Step 4: Simplify right side
    217,837.58x = 27,687,103,074.53
  5. Step 5: Solve for x
    x = 27,687,103,074.53/217,837.58
  6. Step 6: Final answer
    x = 127,099.76

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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.