Home / 194,251.77-268,079.79-117,778.17

Finding the Fourth Proportional to 194,251.77, 268,079.79 and 117,778.17

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Solution

The fourth proportional to 194,251.77, 268,079.79 and 117,778.17 is: 162,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,251.77 : 268,079.79 = 117,778.17 : x
  2. Step 2: Convert to fraction form
    194,251.77/268,079.79 = 117,778.17/x
  3. Step 3: Cross multiply
    194,251.77x = 268,079.79 × 117,778.17
  4. Step 4: Simplify right side
    194,251.77x = 31,573,947,080.18
  5. Step 5: Solve for x
    x = 31,573,947,080.18/194,251.77
  6. Step 6: Final answer
    x = 162,541.36

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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.