Home / 218,133.32-327,374.96-112,982.36

Finding the Fourth Proportional to 218,133.32, 327,374.96 and 112,982.36

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Solution

The fourth proportional to 218,133.32, 327,374.96 and 112,982.36 is: 169,564.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,133.32 : 327,374.96 = 112,982.36 : x
  2. Step 2: Convert to fraction form
    218,133.32/327,374.96 = 112,982.36/x
  3. Step 3: Cross multiply
    218,133.32x = 327,374.96 × 112,982.36
  4. Step 4: Simplify right side
    218,133.32x = 36,987,593,383.92
  5. Step 5: Solve for x
    x = 36,987,593,383.92/218,133.32
  6. Step 6: Final answer
    x = 169,564.16

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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.