Home / 200,426.40-276,611.76-115,546.50

Finding the Fourth Proportional to 200,426.40, 276,611.76 and 115,546.50

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Solution

The fourth proportional to 200,426.40, 276,611.76 and 115,546.50 is: 159,467.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,426.40 : 276,611.76 = 115,546.50 : x
  2. Step 2: Convert to fraction form
    200,426.40/276,611.76 = 115,546.50/x
  3. Step 3: Cross multiply
    200,426.40x = 276,611.76 × 115,546.50
  4. Step 4: Simplify right side
    200,426.40x = 31,961,520,726.84
  5. Step 5: Solve for x
    x = 31,961,520,726.84/200,426.40
  6. Step 6: Final answer
    x = 159,467.62

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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.