Home / 403,824.45-605,688.08-167,142.45

Finding the Fourth Proportional to 403,824.45, 605,688.08 and 167,142.45

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Solution

The fourth proportional to 403,824.45, 605,688.08 and 167,142.45 is: 250,693.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,824.45 : 605,688.08 = 167,142.45 : x
  2. Step 2: Convert to fraction form
    403,824.45/605,688.08 = 167,142.45/x
  3. Step 3: Cross multiply
    403,824.45x = 605,688.08 × 167,142.45
  4. Step 4: Simplify right side
    403,824.45x = 101,236,188,791.28
  5. Step 5: Solve for x
    x = 101,236,188,791.28/403,824.45
  6. Step 6: Final answer
    x = 250,693.56

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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.