Home / 144,120.87-198,648.86-96,356.79

Finding the Fourth Proportional to 144,120.87, 198,648.86 and 96,356.79

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Solution

The fourth proportional to 144,120.87, 198,648.86 and 96,356.79 is: 132,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,120.87 : 198,648.86 = 96,356.79 : x
  2. Step 2: Convert to fraction form
    144,120.87/198,648.86 = 96,356.79/x
  3. Step 3: Cross multiply
    144,120.87x = 198,648.86 × 96,356.79
  4. Step 4: Simplify right side
    144,120.87x = 19,141,166,004.98
  5. Step 5: Solve for x
    x = 19,141,166,004.98/144,120.87
  6. Step 6: Final answer
    x = 132,813.28

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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.