Home / 179,071.22-247,118.43-103,619.72

Finding the Fourth Proportional to 179,071.22, 247,118.43 and 103,619.72

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Solution

The fourth proportional to 179,071.22, 247,118.43 and 103,619.72 is: 142,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,071.22 : 247,118.43 = 103,619.72 : x
  2. Step 2: Convert to fraction form
    179,071.22/247,118.43 = 103,619.72/x
  3. Step 3: Cross multiply
    179,071.22x = 247,118.43 × 103,619.72
  4. Step 4: Simplify right side
    179,071.22x = 25,606,342,523.44
  5. Step 5: Solve for x
    x = 25,606,342,523.44/179,071.22
  6. Step 6: Final answer
    x = 142,995.30

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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.