Home / 179,311.40-247,322.39-117,983.36

Finding the Fourth Proportional to 179,311.40, 247,322.39 and 117,983.36

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Solution

The fourth proportional to 179,311.40, 247,322.39 and 117,983.36 is: 162,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,311.40 : 247,322.39 = 117,983.36 : x
  2. Step 2: Convert to fraction form
    179,311.40/247,322.39 = 117,983.36/x
  3. Step 3: Cross multiply
    179,311.40x = 247,322.39 × 117,983.36
  4. Step 4: Simplify right side
    179,311.40x = 29,179,926,575.43
  5. Step 5: Solve for x
    x = 29,179,926,575.43/179,311.40
  6. Step 6: Final answer
    x = 162,733.25

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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.