Home / 454,174.12-680,837.58-154,449.88

Finding the Fourth Proportional to 454,174.12, 680,837.58 and 154,449.88

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Solution

The fourth proportional to 454,174.12, 680,837.58 and 154,449.88 is: 231,530.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,174.12 : 680,837.58 = 154,449.88 : x
  2. Step 2: Convert to fraction form
    454,174.12/680,837.58 = 154,449.88/x
  3. Step 3: Cross multiply
    454,174.12x = 680,837.58 × 154,449.88
  4. Step 4: Simplify right side
    454,174.12x = 105,155,282,530.49
  5. Step 5: Solve for x
    x = 105,155,282,530.49/454,174.12
  6. Step 6: Final answer
    x = 231,530.77

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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.