Home / 194,604.32-268,553.84-105,180.32

Finding the Fourth Proportional to 194,604.32, 268,553.84 and 105,180.32

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Solution

The fourth proportional to 194,604.32, 268,553.84 and 105,180.32 is: 145,148.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,604.32 : 268,553.84 = 105,180.32 : x
  2. Step 2: Convert to fraction form
    194,604.32/268,553.84 = 105,180.32/x
  3. Step 3: Cross multiply
    194,604.32x = 268,553.84 × 105,180.32
  4. Step 4: Simplify right side
    194,604.32x = 28,246,578,973.91
  5. Step 5: Solve for x
    x = 28,246,578,973.91/194,604.32
  6. Step 6: Final answer
    x = 145,148.77

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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.