Home / 179,069.22-247,115.67-103,617.72

Finding the Fourth Proportional to 179,069.22, 247,115.67 and 103,617.72

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Solution

The fourth proportional to 179,069.22, 247,115.67 and 103,617.72 is: 142,992.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,069.22 : 247,115.67 = 103,617.72 : x
  2. Step 2: Convert to fraction form
    179,069.22/247,115.67 = 103,617.72/x
  3. Step 3: Cross multiply
    179,069.22x = 247,115.67 × 103,617.72
  4. Step 4: Simplify right side
    179,069.22x = 25,605,562,301.67
  5. Step 5: Solve for x
    x = 25,605,562,301.67/179,069.22
  6. Step 6: Final answer
    x = 142,992.54

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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.