Home / 345,546.36-476,690.94-202,217.67

Finding the Fourth Proportional to 345,546.36, 476,690.94 and 202,217.67

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Solution

The fourth proportional to 345,546.36, 476,690.94 and 202,217.67 is: 278,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,546.36 : 476,690.94 = 202,217.67 : x
  2. Step 2: Convert to fraction form
    345,546.36/476,690.94 = 202,217.67/x
  3. Step 3: Cross multiply
    345,546.36x = 476,690.94 × 202,217.67
  4. Step 4: Simplify right side
    345,546.36x = 96,395,331,196.91
  5. Step 5: Solve for x
    x = 96,395,331,196.91/345,546.36
  6. Step 6: Final answer
    x = 278,964.97

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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.