Home / 192,983.48-289,475.91-136,653.20

Finding the Fourth Proportional to 192,983.48, 289,475.91 and 136,653.20

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Solution

The fourth proportional to 192,983.48, 289,475.91 and 136,653.20 is: 204,980.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,983.48 : 289,475.91 = 136,653.20 : x
  2. Step 2: Convert to fraction form
    192,983.48/289,475.91 = 136,653.20/x
  3. Step 3: Cross multiply
    192,983.48x = 289,475.91 × 136,653.20
  4. Step 4: Simplify right side
    192,983.48x = 39,557,807,977.03
  5. Step 5: Solve for x
    x = 39,557,807,977.03/192,983.48
  6. Step 6: Final answer
    x = 204,980.29

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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.