Home / 321,926.72-482,975.96-111,564.48

Finding the Fourth Proportional to 321,926.72, 482,975.96 and 111,564.48

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Solution

The fourth proportional to 321,926.72, 482,975.96 and 111,564.48 is: 167,376.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,926.72 : 482,975.96 = 111,564.48 : x
  2. Step 2: Convert to fraction form
    321,926.72/482,975.96 = 111,564.48/x
  3. Step 3: Cross multiply
    321,926.72x = 482,975.96 × 111,564.48
  4. Step 4: Simplify right side
    321,926.72x = 53,882,961,829.90
  5. Step 5: Solve for x
    x = 53,882,961,829.90/321,926.72
  6. Step 6: Final answer
    x = 167,376.48

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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.