Home / 144,022.94-198,719.84-83,558.56

Finding the Fourth Proportional to 144,022.94, 198,719.84 and 83,558.56

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Solution

The fourth proportional to 144,022.94, 198,719.84 and 83,558.56 is: 115,292.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,022.94 : 198,719.84 = 83,558.56 : x
  2. Step 2: Convert to fraction form
    144,022.94/198,719.84 = 83,558.56/x
  3. Step 3: Cross multiply
    144,022.94x = 198,719.84 × 83,558.56
  4. Step 4: Simplify right side
    144,022.94x = 16,604,743,673.83
  5. Step 5: Solve for x
    x = 16,604,743,673.83/144,022.94
  6. Step 6: Final answer
    x = 115,292.35

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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.