Home / 192,921.68-289,826.08-136,126.32

Finding the Fourth Proportional to 192,921.68, 289,826.08 and 136,126.32

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Solution

The fourth proportional to 192,921.68, 289,826.08 and 136,126.32 is: 204,502.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,921.68 : 289,826.08 = 136,126.32 : x
  2. Step 2: Convert to fraction form
    192,921.68/289,826.08 = 136,126.32/x
  3. Step 3: Cross multiply
    192,921.68x = 289,826.08 × 136,126.32
  4. Step 4: Simplify right side
    192,921.68x = 39,452,957,710.43
  5. Step 5: Solve for x
    x = 39,452,957,710.43/192,921.68
  6. Step 6: Final answer
    x = 204,502.46

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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.