Home / 169,757.58-234,177.60-115,312.56

Finding the Fourth Proportional to 169,757.58, 234,177.60 and 115,312.56

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Solution

The fourth proportional to 169,757.58, 234,177.60 and 115,312.56 is: 159,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,757.58 : 234,177.60 = 115,312.56 : x
  2. Step 2: Convert to fraction form
    169,757.58/234,177.60 = 115,312.56/x
  3. Step 3: Cross multiply
    169,757.58x = 234,177.60 × 115,312.56
  4. Step 4: Simplify right side
    169,757.58x = 27,003,618,550.66
  5. Step 5: Solve for x
    x = 27,003,618,550.66/169,757.58
  6. Step 6: Final answer
    x = 159,071.65

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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.