Home / 199,210.82-298,653.41-92,661.21

Finding the Fourth Proportional to 199,210.82, 298,653.41 and 92,661.21

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Solution

The fourth proportional to 199,210.82, 298,653.41 and 92,661.21 is: 138,916.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,210.82 : 298,653.41 = 92,661.21 : x
  2. Step 2: Convert to fraction form
    199,210.82/298,653.41 = 92,661.21/x
  3. Step 3: Cross multiply
    199,210.82x = 298,653.41 × 92,661.21
  4. Step 4: Simplify right side
    199,210.82x = 27,673,585,877.92
  5. Step 5: Solve for x
    x = 27,673,585,877.92/199,210.82
  6. Step 6: Final answer
    x = 138,916.08

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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.