Home / 194,321.87-268,160.58-105,917.83

Finding the Fourth Proportional to 194,321.87, 268,160.58 and 105,917.83

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Solution

The fourth proportional to 194,321.87, 268,160.58 and 105,917.83 is: 146,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,321.87 : 268,160.58 = 105,917.83 : x
  2. Step 2: Convert to fraction form
    194,321.87/268,160.58 = 105,917.83/x
  3. Step 3: Cross multiply
    194,321.87x = 268,160.58 × 105,917.83
  4. Step 4: Simplify right side
    194,321.87x = 28,402,986,054.74
  5. Step 5: Solve for x
    x = 28,402,986,054.74/194,321.87
  6. Step 6: Final answer
    x = 146,164.64

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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.