Home / 200,529.40-276,737.54-109,893.28

Finding the Fourth Proportional to 200,529.40, 276,737.54 and 109,893.28

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Solution

The fourth proportional to 200,529.40, 276,737.54 and 109,893.28 is: 151,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,529.40 : 276,737.54 = 109,893.28 : x
  2. Step 2: Convert to fraction form
    200,529.40/276,737.54 = 109,893.28/x
  3. Step 3: Cross multiply
    200,529.40x = 276,737.54 × 109,893.28
  4. Step 4: Simplify right side
    200,529.40x = 30,411,595,969.73
  5. Step 5: Solve for x
    x = 30,411,595,969.73/200,529.40
  6. Step 6: Final answer
    x = 151,656.54

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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.