Home / 169,780.20-234,245.58-101,772.36

Finding the Fourth Proportional to 169,780.20, 234,245.58 and 101,772.36

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Solution

The fourth proportional to 169,780.20, 234,245.58 and 101,772.36 is: 140,415.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,780.20 : 234,245.58 = 101,772.36 : x
  2. Step 2: Convert to fraction form
    169,780.20/234,245.58 = 101,772.36/x
  3. Step 3: Cross multiply
    169,780.20x = 234,245.58 × 101,772.36
  4. Step 4: Simplify right side
    169,780.20x = 23,839,724,236.10
  5. Step 5: Solve for x
    x = 23,839,724,236.10/169,780.20
  6. Step 6: Final answer
    x = 140,415.22

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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.