Home / 209,948.22-314,921.16-52,176.60

Finding the Fourth Proportional to 209,948.22, 314,921.16 and 52,176.60

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Solution

The fourth proportional to 209,948.22, 314,921.16 and 52,176.60 is: 78,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,948.22 : 314,921.16 = 52,176.60 : x
  2. Step 2: Convert to fraction form
    209,948.22/314,921.16 = 52,176.60/x
  3. Step 3: Cross multiply
    209,948.22x = 314,921.16 × 52,176.60
  4. Step 4: Simplify right side
    209,948.22x = 16,431,515,396.86
  5. Step 5: Solve for x
    x = 16,431,515,396.86/209,948.22
  6. Step 6: Final answer
    x = 78,264.61

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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.