Home / 104,193.15-143,783.55-61,171.92

Finding the Fourth Proportional to 104,193.15, 143,783.55 and 61,171.92

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Solution

The fourth proportional to 104,193.15, 143,783.55 and 61,171.92 is: 84,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,193.15 : 143,783.55 = 61,171.92 : x
  2. Step 2: Convert to fraction form
    104,193.15/143,783.55 = 61,171.92/x
  3. Step 3: Cross multiply
    104,193.15x = 143,783.55 × 61,171.92
  4. Step 4: Simplify right side
    104,193.15x = 8,795,515,817.92
  5. Step 5: Solve for x
    x = 8,795,515,817.92/104,193.15
  6. Step 6: Final answer
    x = 84,415.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.