Home / 301,084.68-451,583.05-87,795.28

Finding the Fourth Proportional to 301,084.68, 451,583.05 and 87,795.28

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Solution

The fourth proportional to 301,084.68, 451,583.05 and 87,795.28 is: 131,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,084.68 : 451,583.05 = 87,795.28 : x
  2. Step 2: Convert to fraction form
    301,084.68/451,583.05 = 87,795.28/x
  3. Step 3: Cross multiply
    301,084.68x = 451,583.05 × 87,795.28
  4. Step 4: Simplify right side
    301,084.68x = 39,646,858,279.58
  5. Step 5: Solve for x
    x = 39,646,858,279.58/301,084.68
  6. Step 6: Final answer
    x = 131,680.09

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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.