Home / 134,620.56-185,777.64-74,193.38

Finding the Fourth Proportional to 134,620.56, 185,777.64 and 74,193.38

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Solution

The fourth proportional to 134,620.56, 185,777.64 and 74,193.38 is: 102,387.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,620.56 : 185,777.64 = 74,193.38 : x
  2. Step 2: Convert to fraction form
    134,620.56/185,777.64 = 74,193.38/x
  3. Step 3: Cross multiply
    134,620.56x = 185,777.64 × 74,193.38
  4. Step 4: Simplify right side
    134,620.56x = 13,783,471,040.02
  5. Step 5: Solve for x
    x = 13,783,471,040.02/134,620.56
  6. Step 6: Final answer
    x = 102,387.56

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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.