Home / 149,654.70-224,523.05-74,684.34

Finding the Fourth Proportional to 149,654.70, 224,523.05 and 74,684.34

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Solution

The fourth proportional to 149,654.70, 224,523.05 and 74,684.34 is: 112,046.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,654.70 : 224,523.05 = 74,684.34 : x
  2. Step 2: Convert to fraction form
    149,654.70/224,523.05 = 74,684.34/x
  3. Step 3: Cross multiply
    149,654.70x = 224,523.05 × 74,684.34
  4. Step 4: Simplify right side
    149,654.70x = 16,768,355,430.62
  5. Step 5: Solve for x
    x = 16,768,355,430.62/149,654.70
  6. Step 6: Final answer
    x = 112,046.97

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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.