Home / 133,100.04-199,726.78-73,930.70

Finding the Fourth Proportional to 133,100.04, 199,726.78 and 73,930.70

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Solution

The fourth proportional to 133,100.04, 199,726.78 and 73,930.70 is: 110,938.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,100.04 : 199,726.78 = 73,930.70 : x
  2. Step 2: Convert to fraction form
    133,100.04/199,726.78 = 73,930.70/x
  3. Step 3: Cross multiply
    133,100.04x = 199,726.78 × 73,930.70
  4. Step 4: Simplify right side
    133,100.04x = 14,765,940,654.15
  5. Step 5: Solve for x
    x = 14,765,940,654.15/133,100.04
  6. Step 6: Final answer
    x = 110,938.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.