Home / 179,069.72-247,116.36-103,618.22

Finding the Fourth Proportional to 179,069.72, 247,116.36 and 103,618.22

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Solution

The fourth proportional to 179,069.72, 247,116.36 and 103,618.22 is: 142,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,069.72 : 247,116.36 = 103,618.22 : x
  2. Step 2: Convert to fraction form
    179,069.72/247,116.36 = 103,618.22/x
  3. Step 3: Cross multiply
    179,069.72x = 247,116.36 × 103,618.22
  4. Step 4: Simplify right side
    179,069.72x = 25,605,756,120.50
  5. Step 5: Solve for x
    x = 25,605,756,120.50/179,069.72
  6. Step 6: Final answer
    x = 142,993.23

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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.