Home / 196,007.80-293,640.72-115,805.92

Finding the Fourth Proportional to 196,007.80, 293,640.72 and 115,805.92

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Solution

The fourth proportional to 196,007.80, 293,640.72 and 115,805.92 is: 173,489.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,007.80 : 293,640.72 = 115,805.92 : x
  2. Step 2: Convert to fraction form
    196,007.80/293,640.72 = 115,805.92/x
  3. Step 3: Cross multiply
    196,007.80x = 293,640.72 × 115,805.92
  4. Step 4: Simplify right side
    196,007.80x = 34,005,333,729.06
  5. Step 5: Solve for x
    x = 34,005,333,729.06/196,007.80
  6. Step 6: Final answer
    x = 173,489.70

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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.