Home / 190,994.32-263,573.76-106,112.80

Finding the Fourth Proportional to 190,994.32, 263,573.76 and 106,112.80

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Solution

The fourth proportional to 190,994.32, 263,573.76 and 106,112.80 is: 146,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,994.32 : 263,573.76 = 106,112.80 : x
  2. Step 2: Convert to fraction form
    190,994.32/263,573.76 = 106,112.80/x
  3. Step 3: Cross multiply
    190,994.32x = 263,573.76 × 106,112.80
  4. Step 4: Simplify right side
    190,994.32x = 27,968,549,680.13
  5. Step 5: Solve for x
    x = 27,968,549,680.13/190,994.32
  6. Step 6: Final answer
    x = 146,436.55

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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.