Home / 190,756.28-263,255.96-105,873.36

Finding the Fourth Proportional to 190,756.28, 263,255.96 and 105,873.36

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Solution

The fourth proportional to 190,756.28, 263,255.96 and 105,873.36 is: 146,112.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,756.28 : 263,255.96 = 105,873.36 : x
  2. Step 2: Convert to fraction form
    190,756.28/263,255.96 = 105,873.36/x
  3. Step 3: Cross multiply
    190,756.28x = 263,255.96 × 105,873.36
  4. Step 4: Simplify right side
    190,756.28x = 27,871,793,025.23
  5. Step 5: Solve for x
    x = 27,871,793,025.23/190,756.28
  6. Step 6: Final answer
    x = 146,112.06

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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.