Home / 403,823.60-605,516.70-167,190.20

Finding the Fourth Proportional to 403,823.60, 605,516.70 and 167,190.20

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Solution

The fourth proportional to 403,823.60, 605,516.70 and 167,190.20 is: 250,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,823.60 : 605,516.70 = 167,190.20 : x
  2. Step 2: Convert to fraction form
    403,823.60/605,516.70 = 167,190.20/x
  3. Step 3: Cross multiply
    403,823.60x = 605,516.70 × 167,190.20
  4. Step 4: Simplify right side
    403,823.60x = 101,236,458,176.34
  5. Step 5: Solve for x
    x = 101,236,458,176.34/403,823.60
  6. Step 6: Final answer
    x = 250,694.75

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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.