Home / 119,063.27-178,644.88-74,122.21

Finding the Fourth Proportional to 119,063.27, 178,644.88 and 74,122.21

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Solution

The fourth proportional to 119,063.27, 178,644.88 and 74,122.21 is: 111,214.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,063.27 : 178,644.88 = 74,122.21 : x
  2. Step 2: Convert to fraction form
    119,063.27/178,644.88 = 74,122.21/x
  3. Step 3: Cross multiply
    119,063.27x = 178,644.88 × 74,122.21
  4. Step 4: Simplify right side
    119,063.27x = 13,241,552,678.87
  5. Step 5: Solve for x
    x = 13,241,552,678.87/119,063.27
  6. Step 6: Final answer
    x = 111,214.43

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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.