Home / 196,371.84-270,980.32-115,795.52

Finding the Fourth Proportional to 196,371.84, 270,980.32 and 115,795.52

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Solution

The fourth proportional to 196,371.84, 270,980.32 and 115,795.52 is: 159,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,371.84 : 270,980.32 = 115,795.52 : x
  2. Step 2: Convert to fraction form
    196,371.84/270,980.32 = 115,795.52/x
  3. Step 3: Cross multiply
    196,371.84x = 270,980.32 × 115,795.52
  4. Step 4: Simplify right side
    196,371.84x = 31,378,307,064.17
  5. Step 5: Solve for x
    x = 31,378,307,064.17/196,371.84
  6. Step 6: Final answer
    x = 159,790.26

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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.