Home / 144,099.96-198,857.17-83,685.44

Finding the Fourth Proportional to 144,099.96, 198,857.17 and 83,685.44

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Solution

The fourth proportional to 144,099.96, 198,857.17 and 83,685.44 is: 115,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,099.96 : 198,857.17 = 83,685.44 : x
  2. Step 2: Convert to fraction form
    144,099.96/198,857.17 = 83,685.44/x
  3. Step 3: Cross multiply
    144,099.96x = 198,857.17 × 83,685.44
  4. Step 4: Simplify right side
    144,099.96x = 16,641,449,768.60
  5. Step 5: Solve for x
    x = 16,641,449,768.60/144,099.96
  6. Step 6: Final answer
    x = 115,485.46

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1.5x scale

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.