Home / 179,116.22-247,182.39-102,633.78

Finding the Fourth Proportional to 179,116.22, 247,182.39 and 102,633.78

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Solution

The fourth proportional to 179,116.22, 247,182.39 and 102,633.78 is: 141,635.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,116.22 : 247,182.39 = 102,633.78 : x
  2. Step 2: Convert to fraction form
    179,116.22/247,182.39 = 102,633.78/x
  3. Step 3: Cross multiply
    179,116.22x = 247,182.39 × 102,633.78
  4. Step 4: Simplify right side
    179,116.22x = 25,369,263,035.13
  5. Step 5: Solve for x
    x = 25,369,263,035.13/179,116.22
  6. Step 6: Final answer
    x = 141,635.77

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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.