Home / 133,197.56-183,816.23-79,513.73

Finding the Fourth Proportional to 133,197.56, 183,816.23 and 79,513.73

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Solution

The fourth proportional to 133,197.56, 183,816.23 and 79,513.73 is: 109,731.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,197.56 : 183,816.23 = 79,513.73 : x
  2. Step 2: Convert to fraction form
    133,197.56/183,816.23 = 79,513.73/x
  3. Step 3: Cross multiply
    133,197.56x = 183,816.23 × 79,513.73
  4. Step 4: Simplify right side
    133,197.56x = 14,615,912,765.19
  5. Step 5: Solve for x
    x = 14,615,912,765.19/133,197.56
  6. Step 6: Final answer
    x = 109,731.09

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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.