Home / 134,610.48-185,770.68-74,181.12

Finding the Fourth Proportional to 134,610.48, 185,770.68 and 74,181.12

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Solution

The fourth proportional to 134,610.48, 185,770.68 and 74,181.12 is: 102,374.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,610.48 : 185,770.68 = 74,181.12 : x
  2. Step 2: Convert to fraction form
    134,610.48/185,770.68 = 74,181.12/x
  3. Step 3: Cross multiply
    134,610.48x = 185,770.68 × 74,181.12
  4. Step 4: Simplify right side
    134,610.48x = 13,780,677,105.56
  5. Step 5: Solve for x
    x = 13,780,677,105.56/134,610.48
  6. Step 6: Final answer
    x = 102,374.47

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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.