Home / 131,106.54-196,480.38-99,059.28

Finding the Fourth Proportional to 131,106.54, 196,480.38 and 99,059.28

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Solution

The fourth proportional to 131,106.54, 196,480.38 and 99,059.28 is: 148,453.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,106.54 : 196,480.38 = 99,059.28 : x
  2. Step 2: Convert to fraction form
    131,106.54/196,480.38 = 99,059.28/x
  3. Step 3: Cross multiply
    131,106.54x = 196,480.38 × 99,059.28
  4. Step 4: Simplify right side
    131,106.54x = 19,463,204,976.93
  5. Step 5: Solve for x
    x = 19,463,204,976.93/131,106.54
  6. Step 6: Final answer
    x = 148,453.35

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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.