Home / 200,583.04-276,715.52-128,949.76

Finding the Fourth Proportional to 200,583.04, 276,715.52 and 128,949.76

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Solution

The fourth proportional to 200,583.04, 276,715.52 and 128,949.76 is: 177,893.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,583.04 : 276,715.52 = 128,949.76 : x
  2. Step 2: Convert to fraction form
    200,583.04/276,715.52 = 128,949.76/x
  3. Step 3: Cross multiply
    200,583.04x = 276,715.52 × 128,949.76
  4. Step 4: Simplify right side
    200,583.04x = 35,682,399,892.28
  5. Step 5: Solve for x
    x = 35,682,399,892.28/200,583.04
  6. Step 6: Final answer
    x = 177,893.40

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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.