Home / 191,206.42-263,865.08-106,321.66

Finding the Fourth Proportional to 191,206.42, 263,865.08 and 106,321.66

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Solution

The fourth proportional to 191,206.42, 263,865.08 and 106,321.66 is: 146,724.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,206.42 : 263,865.08 = 106,321.66 : x
  2. Step 2: Convert to fraction form
    191,206.42/263,865.08 = 106,321.66/x
  3. Step 3: Cross multiply
    191,206.42x = 263,865.08 × 106,321.66
  4. Step 4: Simplify right side
    191,206.42x = 28,054,571,470.70
  5. Step 5: Solve for x
    x = 28,054,571,470.70/191,206.42
  6. Step 6: Final answer
    x = 146,724.01

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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.