Home / 454,724.88-682,140-151,146.18

Finding the Fourth Proportional to 454,724.88, 682,140 and 151,146.18

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Solution

The fourth proportional to 454,724.88, 682,140 and 151,146.18 is: 226,736.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,724.88 : 682,140 = 151,146.18 : x
  2. Step 2: Convert to fraction form
    454,724.88/682,140 = 151,146.18/x
  3. Step 3: Cross multiply
    454,724.88x = 682,140 × 151,146.18
  4. Step 4: Simplify right side
    454,724.88x = 103,102,855,225.20
  5. Step 5: Solve for x
    x = 103,102,855,225.20/454,724.88
  6. Step 6: Final answer
    x = 226,736.78

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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.