Home / 351,884.15-486,003.69-231,562.59

Finding the Fourth Proportional to 351,884.15, 486,003.69 and 231,562.59

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Solution

The fourth proportional to 351,884.15, 486,003.69 and 231,562.59 is: 319,821.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,884.15 : 486,003.69 = 231,562.59 : x
  2. Step 2: Convert to fraction form
    351,884.15/486,003.69 = 231,562.59/x
  3. Step 3: Cross multiply
    351,884.15x = 486,003.69 × 231,562.59
  4. Step 4: Simplify right side
    351,884.15x = 112,540,274,074.32
  5. Step 5: Solve for x
    x = 112,540,274,074.32/351,884.15
  6. Step 6: Final answer
    x = 319,821.95

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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.