Home / 196,837.62-294,812.52-91,434.78

Finding the Fourth Proportional to 196,837.62, 294,812.52 and 91,434.78

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Solution

The fourth proportional to 196,837.62, 294,812.52 and 91,434.78 is: 136,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,837.62 : 294,812.52 = 91,434.78 : x
  2. Step 2: Convert to fraction form
    196,837.62/294,812.52 = 91,434.78/x
  3. Step 3: Cross multiply
    196,837.62x = 294,812.52 × 91,434.78
  4. Step 4: Simplify right side
    196,837.62x = 26,956,117,907.45
  5. Step 5: Solve for x
    x = 26,956,117,907.45/196,837.62
  6. Step 6: Final answer
    x = 136,945.97

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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.