Home / 202,329.27-279,212.81-111,685.21

Finding the Fourth Proportional to 202,329.27, 279,212.81 and 111,685.21

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Solution

The fourth proportional to 202,329.27, 279,212.81 and 111,685.21 is: 154,124.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,329.27 : 279,212.81 = 111,685.21 : x
  2. Step 2: Convert to fraction form
    202,329.27/279,212.81 = 111,685.21/x
  3. Step 3: Cross multiply
    202,329.27x = 279,212.81 × 111,685.21
  4. Step 4: Simplify right side
    202,329.27x = 31,183,940,063.08
  5. Step 5: Solve for x
    x = 31,183,940,063.08/202,329.27
  6. Step 6: Final answer
    x = 154,124.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.