Home / 333,921.22-501,078.39-123,705.70

Finding the Fourth Proportional to 333,921.22, 501,078.39 and 123,705.70

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Solution

The fourth proportional to 333,921.22, 501,078.39 and 123,705.70 is: 185,631.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,921.22 : 501,078.39 = 123,705.70 : x
  2. Step 2: Convert to fraction form
    333,921.22/501,078.39 = 123,705.70/x
  3. Step 3: Cross multiply
    333,921.22x = 501,078.39 × 123,705.70
  4. Step 4: Simplify right side
    333,921.22x = 61,986,252,989.82
  5. Step 5: Solve for x
    x = 61,986,252,989.82/333,921.22
  6. Step 6: Final answer
    x = 185,631.37

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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.