Home / 204,700.79-282,604.32-136,832.72

Finding the Fourth Proportional to 204,700.79, 282,604.32 and 136,832.72

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Solution

The fourth proportional to 204,700.79, 282,604.32 and 136,832.72 is: 188,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,700.79 : 282,604.32 = 136,832.72 : x
  2. Step 2: Convert to fraction form
    204,700.79/282,604.32 = 136,832.72/x
  3. Step 3: Cross multiply
    204,700.79x = 282,604.32 × 136,832.72
  4. Step 4: Simplify right side
    204,700.79x = 38,669,516,376.33
  5. Step 5: Solve for x
    x = 38,669,516,376.33/204,700.79
  6. Step 6: Final answer
    x = 188,907.51

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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.