Home / 217,939.15-326,908.17-58,015.09

Finding the Fourth Proportional to 217,939.15, 326,908.17 and 58,015.09

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Solution

The fourth proportional to 217,939.15, 326,908.17 and 58,015.09 is: 87,022.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,939.15 : 326,908.17 = 58,015.09 : x
  2. Step 2: Convert to fraction form
    217,939.15/326,908.17 = 58,015.09/x
  3. Step 3: Cross multiply
    217,939.15x = 326,908.17 × 58,015.09
  4. Step 4: Simplify right side
    217,939.15x = 18,965,606,904.29
  5. Step 5: Solve for x
    x = 18,965,606,904.29/217,939.15
  6. Step 6: Final answer
    x = 87,022.49

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1.5x scale

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.