Home / 144,035.64-198,737.28-83,571.24

Finding the Fourth Proportional to 144,035.64, 198,737.28 and 83,571.24

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Solution

The fourth proportional to 144,035.64, 198,737.28 and 83,571.24 is: 115,309.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,035.64 : 198,737.28 = 83,571.24 : x
  2. Step 2: Convert to fraction form
    144,035.64/198,737.28 = 83,571.24/x
  3. Step 3: Cross multiply
    144,035.64x = 198,737.28 × 83,571.24
  4. Step 4: Simplify right side
    144,035.64x = 16,608,720,923.83
  5. Step 5: Solve for x
    x = 16,608,720,923.83/144,035.64
  6. Step 6: Final answer
    x = 115,309.80

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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.