Home / 269,280.35-403,919.29-69,583.76

Finding the Fourth Proportional to 269,280.35, 403,919.29 and 69,583.76

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Solution

The fourth proportional to 269,280.35, 403,919.29 and 69,583.76 is: 104,375.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,280.35 : 403,919.29 = 69,583.76 : x
  2. Step 2: Convert to fraction form
    269,280.35/403,919.29 = 69,583.76/x
  3. Step 3: Cross multiply
    269,280.35x = 403,919.29 × 69,583.76
  4. Step 4: Simplify right side
    269,280.35x = 28,106,222,516.81
  5. Step 5: Solve for x
    x = 28,106,222,516.81/269,280.35
  6. Step 6: Final answer
    x = 104,375.32

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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.