Home / 105,450.42-158,234.13-43,164.66

Finding the Fourth Proportional to 105,450.42, 158,234.13 and 43,164.66

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Solution

The fourth proportional to 105,450.42, 158,234.13 and 43,164.66 is: 64,770.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,450.42 : 158,234.13 = 43,164.66 : x
  2. Step 2: Convert to fraction form
    105,450.42/158,234.13 = 43,164.66/x
  3. Step 3: Cross multiply
    105,450.42x = 158,234.13 × 43,164.66
  4. Step 4: Simplify right side
    105,450.42x = 6,830,122,421.85
  5. Step 5: Solve for x
    x = 6,830,122,421.85/105,450.42
  6. Step 6: Final answer
    x = 64,770.94

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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.