Home / 169,415.12-233,799.75-101,418.56

Finding the Fourth Proportional to 169,415.12, 233,799.75 and 101,418.56

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Solution

The fourth proportional to 169,415.12, 233,799.75 and 101,418.56 is: 139,961.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,415.12 : 233,799.75 = 101,418.56 : x
  2. Step 2: Convert to fraction form
    169,415.12/233,799.75 = 101,418.56/x
  3. Step 3: Cross multiply
    169,415.12x = 233,799.75 × 101,418.56
  4. Step 4: Simplify right side
    169,415.12x = 23,711,633,451.41
  5. Step 5: Solve for x
    x = 23,711,633,451.41/169,415.12
  6. Step 6: Final answer
    x = 139,961.73

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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.