Home / 179,073.22-247,121.19-103,621.72

Finding the Fourth Proportional to 179,073.22, 247,121.19 and 103,621.72

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Solution

The fourth proportional to 179,073.22, 247,121.19 and 103,621.72 is: 142,998.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,073.22 : 247,121.19 = 103,621.72 : x
  2. Step 2: Convert to fraction form
    179,073.22/247,121.19 = 103,621.72/x
  3. Step 3: Cross multiply
    179,073.22x = 247,121.19 × 103,621.72
  4. Step 4: Simplify right side
    179,073.22x = 25,607,122,756.25
  5. Step 5: Solve for x
    x = 25,607,122,756.25/179,073.22
  6. Step 6: Final answer
    x = 142,998.06

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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.