Home / 209,725.44-314,325.45-165,176.25

Finding the Fourth Proportional to 209,725.44, 314,325.45 and 165,176.25

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Solution

The fourth proportional to 209,725.44, 314,325.45 and 165,176.25 is: 247,557.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,725.44 : 314,325.45 = 165,176.25 : x
  2. Step 2: Convert to fraction form
    209,725.44/314,325.45 = 165,176.25/x
  3. Step 3: Cross multiply
    209,725.44x = 314,325.45 × 165,176.25
  4. Step 4: Simplify right side
    209,725.44x = 51,919,099,110.56
  5. Step 5: Solve for x
    x = 51,919,099,110.56/209,725.44
  6. Step 6: Final answer
    x = 247,557.47

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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.