Home / 564,112.82-846,171.06-143,388.70

Finding the Fourth Proportional to 564,112.82, 846,171.06 and 143,388.70

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Solution

The fourth proportional to 564,112.82, 846,171.06 and 143,388.70 is: 215,083.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,112.82 : 846,171.06 = 143,388.70 : x
  2. Step 2: Convert to fraction form
    564,112.82/846,171.06 = 143,388.70/x
  3. Step 3: Cross multiply
    564,112.82x = 846,171.06 × 143,388.70
  4. Step 4: Simplify right side
    564,112.82x = 121,331,365,617.89
  5. Step 5: Solve for x
    x = 121,331,365,617.89/564,112.82
  6. Step 6: Final answer
    x = 215,083.51

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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.