Home / 134,608.68-185,761.23-74,181.50

Finding the Fourth Proportional to 134,608.68, 185,761.23 and 74,181.50

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Solution

The fourth proportional to 134,608.68, 185,761.23 and 74,181.50 is: 102,371.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,608.68 : 185,761.23 = 74,181.50 : x
  2. Step 2: Convert to fraction form
    134,608.68/185,761.23 = 74,181.50/x
  3. Step 3: Cross multiply
    134,608.68x = 185,761.23 × 74,181.50
  4. Step 4: Simplify right side
    134,608.68x = 13,780,045,754.44
  5. Step 5: Solve for x
    x = 13,780,045,754.44/134,608.68
  6. Step 6: Final answer
    x = 102,371.15

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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.