Home / 117,555.23-176,968.40-107,092.50

Finding the Fourth Proportional to 117,555.23, 176,968.40 and 107,092.50

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Solution

The fourth proportional to 117,555.23, 176,968.40 and 107,092.50 is: 161,217.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,555.23 : 176,968.40 = 107,092.50 : x
  2. Step 2: Convert to fraction form
    117,555.23/176,968.40 = 107,092.50/x
  3. Step 3: Cross multiply
    117,555.23x = 176,968.40 × 107,092.50
  4. Step 4: Simplify right side
    117,555.23x = 18,951,987,177.91
  5. Step 5: Solve for x
    x = 18,951,987,177.91/117,555.23
  6. Step 6: Final answer
    x = 161,217.73

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.