Home / 143,822.84-215,564.82-64,844.60

Finding the Fourth Proportional to 143,822.84, 215,564.82 and 64,844.60

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Solution

The fourth proportional to 143,822.84, 215,564.82 and 64,844.60 is: 97,190.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,822.84 : 215,564.82 = 64,844.60 : x
  2. Step 2: Convert to fraction form
    143,822.84/215,564.82 = 64,844.60/x
  3. Step 3: Cross multiply
    143,822.84x = 215,564.82 × 64,844.60
  4. Step 4: Simplify right side
    143,822.84x = 13,978,214,526.97
  5. Step 5: Solve for x
    x = 13,978,214,526.97/143,822.84
  6. Step 6: Final answer
    x = 97,190.51

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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.