Home / 119,664.96-179,461.44-40,761.12

Finding the Fourth Proportional to 119,664.96, 179,461.44 and 40,761.12

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Solution

The fourth proportional to 119,664.96, 179,461.44 and 40,761.12 is: 61,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,664.96 : 179,461.44 = 40,761.12 : x
  2. Step 2: Convert to fraction form
    119,664.96/179,461.44 = 40,761.12/x
  3. Step 3: Cross multiply
    119,664.96x = 179,461.44 × 40,761.12
  4. Step 4: Simplify right side
    119,664.96x = 7,315,049,291.21
  5. Step 5: Solve for x
    x = 7,315,049,291.21/119,664.96
  6. Step 6: Final answer
    x = 61,129.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.