Home / 296,046.36-444,142.44-85,705.56

Finding the Fourth Proportional to 296,046.36, 444,142.44 and 85,705.56

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Solution

The fourth proportional to 296,046.36, 444,142.44 and 85,705.56 is: 128,579.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,046.36 : 444,142.44 = 85,705.56 : x
  2. Step 2: Convert to fraction form
    296,046.36/444,142.44 = 85,705.56/x
  3. Step 3: Cross multiply
    296,046.36x = 444,142.44 × 85,705.56
  4. Step 4: Simplify right side
    296,046.36x = 38,065,476,539.97
  5. Step 5: Solve for x
    x = 38,065,476,539.97/296,046.36
  6. Step 6: Final answer
    x = 128,579.44

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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.