Home / 177,964.89-245,706.17-158,811.73

Finding the Fourth Proportional to 177,964.89, 245,706.17 and 158,811.73

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Solution

The fourth proportional to 177,964.89, 245,706.17 and 158,811.73 is: 219,262.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,964.89 : 245,706.17 = 158,811.73 : x
  2. Step 2: Convert to fraction form
    177,964.89/245,706.17 = 158,811.73/x
  3. Step 3: Cross multiply
    177,964.89x = 245,706.17 × 158,811.73
  4. Step 4: Simplify right side
    177,964.89x = 39,021,022,328.74
  5. Step 5: Solve for x
    x = 39,021,022,328.74/177,964.89
  6. Step 6: Final answer
    x = 219,262.47

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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.