Home / 209,871.33-289,624.05-114,377.73

Finding the Fourth Proportional to 209,871.33, 289,624.05 and 114,377.73

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Solution

The fourth proportional to 209,871.33, 289,624.05 and 114,377.73 is: 157,842.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,871.33 : 289,624.05 = 114,377.73 : x
  2. Step 2: Convert to fraction form
    209,871.33/289,624.05 = 114,377.73/x
  3. Step 3: Cross multiply
    209,871.33x = 289,624.05 × 114,377.73
  4. Step 4: Simplify right side
    209,871.33x = 33,126,541,392.41
  5. Step 5: Solve for x
    x = 33,126,541,392.41/209,871.33
  6. Step 6: Final answer
    x = 157,842.15

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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.