Home / 179,372.18-269,091.38-74,199.35

Finding the Fourth Proportional to 179,372.18, 269,091.38 and 74,199.35

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Solution

The fourth proportional to 179,372.18, 269,091.38 and 74,199.35 is: 111,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,372.18 : 269,091.38 = 74,199.35 : x
  2. Step 2: Convert to fraction form
    179,372.18/269,091.38 = 74,199.35/x
  3. Step 3: Cross multiply
    179,372.18x = 269,091.38 × 74,199.35
  4. Step 4: Simplify right side
    179,372.18x = 19,966,403,770.15
  5. Step 5: Solve for x
    x = 19,966,403,770.15/179,372.18
  6. Step 6: Final answer
    x = 111,312.71

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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.