Home / 131,696.32-197,314.56-109,651.52

Finding the Fourth Proportional to 131,696.32, 197,314.56 and 109,651.52

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Solution

The fourth proportional to 131,696.32, 197,314.56 and 109,651.52 is: 164,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,696.32 : 197,314.56 = 109,651.52 : x
  2. Step 2: Convert to fraction form
    131,696.32/197,314.56 = 109,651.52/x
  3. Step 3: Cross multiply
    131,696.32x = 197,314.56 × 109,651.52
  4. Step 4: Simplify right side
    131,696.32x = 21,635,841,422.13
  5. Step 5: Solve for x
    x = 21,635,841,422.13/131,696.32
  6. Step 6: Final answer
    x = 164,285.85

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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.