Home / 109,040.20-163,997.70-97,667.80

Finding the Fourth Proportional to 109,040.20, 163,997.70 and 97,667.80

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Solution

The fourth proportional to 109,040.20, 163,997.70 and 97,667.80 is: 146,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,040.20 : 163,997.70 = 97,667.80 : x
  2. Step 2: Convert to fraction form
    109,040.20/163,997.70 = 97,667.80/x
  3. Step 3: Cross multiply
    109,040.20x = 163,997.70 × 97,667.80
  4. Step 4: Simplify right side
    109,040.20x = 16,017,294,564.06
  5. Step 5: Solve for x
    x = 16,017,294,564.06/109,040.20
  6. Step 6: Final answer
    x = 146,893.48

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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.