Home / 117,501.66-162,135.18-67,190.94

Finding the Fourth Proportional to 117,501.66, 162,135.18 and 67,190.94

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Solution

The fourth proportional to 117,501.66, 162,135.18 and 67,190.94 is: 92,713.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,501.66 : 162,135.18 = 67,190.94 : x
  2. Step 2: Convert to fraction form
    117,501.66/162,135.18 = 67,190.94/x
  3. Step 3: Cross multiply
    117,501.66x = 162,135.18 × 67,190.94
  4. Step 4: Simplify right side
    117,501.66x = 10,894,015,151.27
  5. Step 5: Solve for x
    x = 10,894,015,151.27/117,501.66
  6. Step 6: Final answer
    x = 92,713.71

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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.