Home / 194,685.06-268,664.86-108,643.12

Finding the Fourth Proportional to 194,685.06, 268,664.86 and 108,643.12

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Solution

The fourth proportional to 194,685.06, 268,664.86 and 108,643.12 is: 149,927.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,685.06 : 268,664.86 = 108,643.12 : x
  2. Step 2: Convert to fraction form
    194,685.06/268,664.86 = 108,643.12/x
  3. Step 3: Cross multiply
    194,685.06x = 268,664.86 × 108,643.12
  4. Step 4: Simplify right side
    194,685.06x = 29,188,588,624.76
  5. Step 5: Solve for x
    x = 29,188,588,624.76/194,685.06
  6. Step 6: Final answer
    x = 149,927.21

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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.