Home / 199,721.56-275,617.58-113,676.32

Finding the Fourth Proportional to 199,721.56, 275,617.58 and 113,676.32

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Solution

The fourth proportional to 199,721.56, 275,617.58 and 113,676.32 is: 156,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,721.56 : 275,617.58 = 113,676.32 : x
  2. Step 2: Convert to fraction form
    199,721.56/275,617.58 = 113,676.32/x
  3. Step 3: Cross multiply
    199,721.56x = 275,617.58 × 113,676.32
  4. Step 4: Simplify right side
    199,721.56x = 31,331,192,221.71
  5. Step 5: Solve for x
    x = 31,331,192,221.71/199,721.56
  6. Step 6: Final answer
    x = 156,874.36

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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.