Home / 216,238.41-324,366.48-74,181.39

Finding the Fourth Proportional to 216,238.41, 324,366.48 and 74,181.39

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Solution

The fourth proportional to 216,238.41, 324,366.48 and 74,181.39 is: 111,275.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,238.41 : 324,366.48 = 74,181.39 : x
  2. Step 2: Convert to fraction form
    216,238.41/324,366.48 = 74,181.39/x
  3. Step 3: Cross multiply
    216,238.41x = 324,366.48 × 74,181.39
  4. Step 4: Simplify right side
    216,238.41x = 24,061,956,355.81
  5. Step 5: Solve for x
    x = 24,061,956,355.81/216,238.41
  6. Step 6: Final answer
    x = 111,275.13

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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.