Home / 134,617.56-185,773.50-74,190.38

Finding the Fourth Proportional to 134,617.56, 185,773.50 and 74,190.38

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Solution

The fourth proportional to 134,617.56, 185,773.50 and 74,190.38 is: 102,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,617.56 : 185,773.50 = 74,190.38 : x
  2. Step 2: Convert to fraction form
    134,617.56/185,773.50 = 74,190.38/x
  3. Step 3: Cross multiply
    134,617.56x = 185,773.50 × 74,190.38
  4. Step 4: Simplify right side
    134,617.56x = 13,782,606,558.93
  5. Step 5: Solve for x
    x = 13,782,606,558.93/134,617.56
  6. Step 6: Final answer
    x = 102,383.42

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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.