Home / 217,443.13-326,086.53-75,249.81

Finding the Fourth Proportional to 217,443.13, 326,086.53 and 75,249.81

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Solution

The fourth proportional to 217,443.13, 326,086.53 and 75,249.81 is: 112,847.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,443.13 : 326,086.53 = 75,249.81 : x
  2. Step 2: Convert to fraction form
    217,443.13/326,086.53 = 75,249.81/x
  3. Step 3: Cross multiply
    217,443.13x = 326,086.53 × 75,249.81
  4. Step 4: Simplify right side
    217,443.13x = 24,537,949,426.06
  5. Step 5: Solve for x
    x = 24,537,949,426.06/217,443.13
  6. Step 6: Final answer
    x = 112,847.66

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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.