Home / 190,649.28-263,127.48-105,793.68

Finding the Fourth Proportional to 190,649.28, 263,127.48 and 105,793.68

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Solution

The fourth proportional to 190,649.28, 263,127.48 and 105,793.68 is: 146,012.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,649.28 : 263,127.48 = 105,793.68 : x
  2. Step 2: Convert to fraction form
    190,649.28/263,127.48 = 105,793.68/x
  3. Step 3: Cross multiply
    190,649.28x = 263,127.48 × 105,793.68
  4. Step 4: Simplify right side
    190,649.28x = 27,837,224,418.33
  5. Step 5: Solve for x
    x = 27,837,224,418.33/190,649.28
  6. Step 6: Final answer
    x = 146,012.74

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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.