Home / 454,054.80-680,922.68-134,121.30

Finding the Fourth Proportional to 454,054.80, 680,922.68 and 134,121.30

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Solution

The fourth proportional to 454,054.80, 680,922.68 and 134,121.30 is: 201,134.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,054.80 : 680,922.68 = 134,121.30 : x
  2. Step 2: Convert to fraction form
    454,054.80/680,922.68 = 134,121.30/x
  3. Step 3: Cross multiply
    454,054.80x = 680,922.68 × 134,121.30
  4. Step 4: Simplify right side
    454,054.80x = 91,326,234,370.48
  5. Step 5: Solve for x
    x = 91,326,234,370.48/454,054.80
  6. Step 6: Final answer
    x = 201,134.83

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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.