Home / 233,109.51-321,660.84-131,131.52

Finding the Fourth Proportional to 233,109.51, 321,660.84 and 131,131.52

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Solution

The fourth proportional to 233,109.51, 321,660.84 and 131,131.52 is: 180,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,109.51 : 321,660.84 = 131,131.52 : x
  2. Step 2: Convert to fraction form
    233,109.51/321,660.84 = 131,131.52/x
  3. Step 3: Cross multiply
    233,109.51x = 321,660.84 × 131,131.52
  4. Step 4: Simplify right side
    233,109.51x = 42,179,874,873.68
  5. Step 5: Solve for x
    x = 42,179,874,873.68/233,109.51
  6. Step 6: Final answer
    x = 180,944.46

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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.