Home / 354,873.22-532,317.20-127,183.64

Finding the Fourth Proportional to 354,873.22, 532,317.20 and 127,183.64

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Solution

The fourth proportional to 354,873.22, 532,317.20 and 127,183.64 is: 190,778.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,873.22 : 532,317.20 = 127,183.64 : x
  2. Step 2: Convert to fraction form
    354,873.22/532,317.20 = 127,183.64/x
  3. Step 3: Cross multiply
    354,873.22x = 532,317.20 × 127,183.64
  4. Step 4: Simplify right side
    354,873.22x = 67,702,039,130.61
  5. Step 5: Solve for x
    x = 67,702,039,130.61/354,873.22
  6. Step 6: Final answer
    x = 190,778.10

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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.