Home / 220,346.40-330,288.56-107,871.52

Finding the Fourth Proportional to 220,346.40, 330,288.56 and 107,871.52

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Solution

The fourth proportional to 220,346.40, 330,288.56 and 107,871.52 is: 161,694.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,346.40 : 330,288.56 = 107,871.52 : x
  2. Step 2: Convert to fraction form
    220,346.40/330,288.56 = 107,871.52/x
  3. Step 3: Cross multiply
    220,346.40x = 330,288.56 × 107,871.52
  4. Step 4: Simplify right side
    220,346.40x = 35,628,729,005.81
  5. Step 5: Solve for x
    x = 35,628,729,005.81/220,346.40
  6. Step 6: Final answer
    x = 161,694.17

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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.