Home / 113,326.89-169,571.06-68,374.32

Finding the Fourth Proportional to 113,326.89, 169,571.06 and 68,374.32

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Solution

The fourth proportional to 113,326.89, 169,571.06 and 68,374.32 is: 102,308.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,326.89 : 169,571.06 = 68,374.32 : x
  2. Step 2: Convert to fraction form
    113,326.89/169,571.06 = 68,374.32/x
  3. Step 3: Cross multiply
    113,326.89x = 169,571.06 × 68,374.32
  4. Step 4: Simplify right side
    113,326.89x = 11,594,305,577.31
  5. Step 5: Solve for x
    x = 11,594,305,577.31/113,326.89
  6. Step 6: Final answer
    x = 102,308.51

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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.