Home / 190,188.05-262,441.06-113,691.80

Finding the Fourth Proportional to 190,188.05, 262,441.06 and 113,691.80

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Solution

The fourth proportional to 190,188.05, 262,441.06 and 113,691.80 is: 156,883.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,188.05 : 262,441.06 = 113,691.80 : x
  2. Step 2: Convert to fraction form
    190,188.05/262,441.06 = 113,691.80/x
  3. Step 3: Cross multiply
    190,188.05x = 262,441.06 × 113,691.80
  4. Step 4: Simplify right side
    190,188.05x = 29,837,397,516.70
  5. Step 5: Solve for x
    x = 29,837,397,516.70/190,188.05
  6. Step 6: Final answer
    x = 156,883.66

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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.