Home / 247,515.45-341,512.77-140,085.48

Finding the Fourth Proportional to 247,515.45, 341,512.77 and 140,085.48

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Solution

The fourth proportional to 247,515.45, 341,512.77 and 140,085.48 is: 193,284.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,515.45 : 341,512.77 = 140,085.48 : x
  2. Step 2: Convert to fraction form
    247,515.45/341,512.77 = 140,085.48/x
  3. Step 3: Cross multiply
    247,515.45x = 341,512.77 × 140,085.48
  4. Step 4: Simplify right side
    247,515.45x = 47,840,979,556.23
  5. Step 5: Solve for x
    x = 47,840,979,556.23/247,515.45
  6. Step 6: Final answer
    x = 193,284.82

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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.