Home / 177,450.66-266,110.65-139,573.85

Finding the Fourth Proportional to 177,450.66, 266,110.65 and 139,573.85

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Solution

The fourth proportional to 177,450.66, 266,110.65 and 139,573.85 is: 209,309.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,450.66 : 266,110.65 = 139,573.85 : x
  2. Step 2: Convert to fraction form
    177,450.66/266,110.65 = 139,573.85/x
  3. Step 3: Cross multiply
    177,450.66x = 266,110.65 × 139,573.85
  4. Step 4: Simplify right side
    177,450.66x = 37,142,086,615.95
  5. Step 5: Solve for x
    x = 37,142,086,615.95/177,450.66
  6. Step 6: Final answer
    x = 209,309.37

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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.