Home / 105,408.84-158,003.10-46,194.60

Finding the Fourth Proportional to 105,408.84, 158,003.10 and 46,194.60

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Solution

The fourth proportional to 105,408.84, 158,003.10 and 46,194.60 is: 69,243.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,408.84 : 158,003.10 = 46,194.60 : x
  2. Step 2: Convert to fraction form
    105,408.84/158,003.10 = 46,194.60/x
  3. Step 3: Cross multiply
    105,408.84x = 158,003.10 × 46,194.60
  4. Step 4: Simplify right side
    105,408.84x = 7,298,890,003.26
  5. Step 5: Solve for x
    x = 7,298,890,003.26/105,408.84
  6. Step 6: Final answer
    x = 69,243.62

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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.