Home / 196,366.96-270,939.36-115,788.16

Finding the Fourth Proportional to 196,366.96, 270,939.36 and 115,788.16

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Solution

The fourth proportional to 196,366.96, 270,939.36 and 115,788.16 is: 159,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,366.96 : 270,939.36 = 115,788.16 : x
  2. Step 2: Convert to fraction form
    196,366.96/270,939.36 = 115,788.16/x
  3. Step 3: Cross multiply
    196,366.96x = 270,939.36 × 115,788.16
  4. Step 4: Simplify right side
    196,366.96x = 31,371,569,965.98
  5. Step 5: Solve for x
    x = 31,371,569,965.98/196,366.96
  6. Step 6: Final answer
    x = 159,759.92

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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.