Home / 146,504.96-202,176-79,435.52

Finding the Fourth Proportional to 146,504.96, 202,176 and 79,435.52

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Solution

The fourth proportional to 146,504.96, 202,176 and 79,435.52 is: 109,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,504.96 : 202,176 = 79,435.52 : x
  2. Step 2: Convert to fraction form
    146,504.96/202,176 = 79,435.52/x
  3. Step 3: Cross multiply
    146,504.96x = 202,176 × 79,435.52
  4. Step 4: Simplify right side
    146,504.96x = 16,059,955,691.52
  5. Step 5: Solve for x
    x = 16,059,955,691.52/146,504.96
  6. Step 6: Final answer
    x = 109,620.56

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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.