Home / 235,640.25-325,181.03-140,144.85

Finding the Fourth Proportional to 235,640.25, 325,181.03 and 140,144.85

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Solution

The fourth proportional to 235,640.25, 325,181.03 and 140,144.85 is: 193,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,640.25 : 325,181.03 = 140,144.85 : x
  2. Step 2: Convert to fraction form
    235,640.25/325,181.03 = 140,144.85/x
  3. Step 3: Cross multiply
    235,640.25x = 325,181.03 × 140,144.85
  4. Step 4: Simplify right side
    235,640.25x = 45,572,445,971.47
  5. Step 5: Solve for x
    x = 45,572,445,971.47/235,640.25
  6. Step 6: Final answer
    x = 193,398.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.