Home / 218,619.75-327,929.63-60,852.31

Finding the Fourth Proportional to 218,619.75, 327,929.63 and 60,852.31

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Solution

The fourth proportional to 218,619.75, 327,929.63 and 60,852.31 is: 91,278.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,619.75 : 327,929.63 = 60,852.31 : x
  2. Step 2: Convert to fraction form
    218,619.75/327,929.63 = 60,852.31/x
  3. Step 3: Cross multiply
    218,619.75x = 327,929.63 × 60,852.31
  4. Step 4: Simplify right side
    218,619.75x = 19,955,274,378.86
  5. Step 5: Solve for x
    x = 19,955,274,378.86/218,619.75
  6. Step 6: Final answer
    x = 91,278.46

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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.