Home / 105,447.42-158,229.63-43,161.66

Finding the Fourth Proportional to 105,447.42, 158,229.63 and 43,161.66

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Solution

The fourth proportional to 105,447.42, 158,229.63 and 43,161.66 is: 64,766.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447.42 : 158,229.63 = 43,161.66 : x
  2. Step 2: Convert to fraction form
    105,447.42/158,229.63 = 43,161.66/x
  3. Step 3: Cross multiply
    105,447.42x = 158,229.63 × 43,161.66
  4. Step 4: Simplify right side
    105,447.42x = 6,829,453,491.99
  5. Step 5: Solve for x
    x = 6,829,453,491.99/105,447.42
  6. Step 6: Final answer
    x = 64,766.44

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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.