Home / 407,083.05-610,680.33-140,772.06

Finding the Fourth Proportional to 407,083.05, 610,680.33 and 140,772.06

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Solution

The fourth proportional to 407,083.05, 610,680.33 and 140,772.06 is: 211,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,083.05 : 610,680.33 = 140,772.06 : x
  2. Step 2: Convert to fraction form
    407,083.05/610,680.33 = 140,772.06/x
  3. Step 3: Cross multiply
    407,083.05x = 610,680.33 × 140,772.06
  4. Step 4: Simplify right side
    407,083.05x = 85,966,728,055.58
  5. Step 5: Solve for x
    x = 85,966,728,055.58/407,083.05
  6. Step 6: Final answer
    x = 211,177.37

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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.