Home / 190,999.12-263,578.76-106,124.24

Finding the Fourth Proportional to 190,999.12, 263,578.76 and 106,124.24

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Solution

The fourth proportional to 190,999.12, 263,578.76 and 106,124.24 is: 146,451.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,999.12 : 263,578.76 = 106,124.24 : x
  2. Step 2: Convert to fraction form
    190,999.12/263,578.76 = 106,124.24/x
  3. Step 3: Cross multiply
    190,999.12x = 263,578.76 × 106,124.24
  4. Step 4: Simplify right side
    190,999.12x = 27,972,095,585.14
  5. Step 5: Solve for x
    x = 27,972,095,585.14/190,999.12
  6. Step 6: Final answer
    x = 146,451.44

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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.