Home / 119,193.11-178,494.42-81,623.18

Finding the Fourth Proportional to 119,193.11, 178,494.42 and 81,623.18

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Solution

The fourth proportional to 119,193.11, 178,494.42 and 81,623.18 is: 122,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,193.11 : 178,494.42 = 81,623.18 : x
  2. Step 2: Convert to fraction form
    119,193.11/178,494.42 = 81,623.18/x
  3. Step 3: Cross multiply
    119,193.11x = 178,494.42 × 81,623.18
  4. Step 4: Simplify right side
    119,193.11x = 14,569,281,764.54
  5. Step 5: Solve for x
    x = 14,569,281,764.54/119,193.11
  6. Step 6: Final answer
    x = 122,232.58

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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.