Home / 218,382.03-327,582.36-76,241.61

Finding the Fourth Proportional to 218,382.03, 327,582.36 and 76,241.61

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Solution

The fourth proportional to 218,382.03, 327,582.36 and 76,241.61 is: 114,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,382.03 : 327,582.36 = 76,241.61 : x
  2. Step 2: Convert to fraction form
    218,382.03/327,582.36 = 76,241.61/x
  3. Step 3: Cross multiply
    218,382.03x = 327,582.36 × 76,241.61
  4. Step 4: Simplify right side
    218,382.03x = 24,975,406,534.00
  5. Step 5: Solve for x
    x = 24,975,406,534.00/218,382.03
  6. Step 6: Final answer
    x = 114,365.67

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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.