Home / 354,262.32-488,857.55-199,236.83

Finding the Fourth Proportional to 354,262.32, 488,857.55 and 199,236.83

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Solution

The fourth proportional to 354,262.32, 488,857.55 and 199,236.83 is: 274,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,262.32 : 488,857.55 = 199,236.83 : x
  2. Step 2: Convert to fraction form
    354,262.32/488,857.55 = 199,236.83/x
  3. Step 3: Cross multiply
    354,262.32x = 488,857.55 × 199,236.83
  4. Step 4: Simplify right side
    354,262.32x = 97,398,425,143.09
  5. Step 5: Solve for x
    x = 97,398,425,143.09/354,262.32
  6. Step 6: Final answer
    x = 274,933.06

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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.