Home / 214,009.97-321,039.55-125,264.24

Finding the Fourth Proportional to 214,009.97, 321,039.55 and 125,264.24

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Solution

The fourth proportional to 214,009.97, 321,039.55 and 125,264.24 is: 187,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,009.97 : 321,039.55 = 125,264.24 : x
  2. Step 2: Convert to fraction form
    214,009.97/321,039.55 = 125,264.24/x
  3. Step 3: Cross multiply
    214,009.97x = 321,039.55 × 125,264.24
  4. Step 4: Simplify right side
    214,009.97x = 40,214,774,995.97
  5. Step 5: Solve for x
    x = 40,214,774,995.97/214,009.97
  6. Step 6: Final answer
    x = 187,910.76

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1.5x scale

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.