Home / 117,177.22-175,764.26-28,431.46

Finding the Fourth Proportional to 117,177.22, 175,764.26 and 28,431.46

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Solution

The fourth proportional to 117,177.22, 175,764.26 and 28,431.46 is: 42,646.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,177.22 : 175,764.26 = 28,431.46 : x
  2. Step 2: Convert to fraction form
    117,177.22/175,764.26 = 28,431.46/x
  3. Step 3: Cross multiply
    117,177.22x = 175,764.26 × 28,431.46
  4. Step 4: Simplify right side
    117,177.22x = 4,997,234,527.62
  5. Step 5: Solve for x
    x = 4,997,234,527.62/117,177.22
  6. Step 6: Final answer
    x = 42,646.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.