Home / 190,597.20-263,005.44-105,712.56

Finding the Fourth Proportional to 190,597.20, 263,005.44 and 105,712.56

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Solution

The fourth proportional to 190,597.20, 263,005.44 and 105,712.56 is: 145,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,597.20 : 263,005.44 = 105,712.56 : x
  2. Step 2: Convert to fraction form
    190,597.20/263,005.44 = 105,712.56/x
  3. Step 3: Cross multiply
    190,597.20x = 263,005.44 × 105,712.56
  4. Step 4: Simplify right side
    190,597.20x = 27,802,978,356.33
  5. Step 5: Solve for x
    x = 27,802,978,356.33/190,597.20
  6. Step 6: Final answer
    x = 145,872.96

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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.