Home / 190,792.68-263,293.65-105,909.54

Finding the Fourth Proportional to 190,792.68, 263,293.65 and 105,909.54

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Solution

The fourth proportional to 190,792.68, 263,293.65 and 105,909.54 is: 146,155.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,792.68 : 263,293.65 = 105,909.54 : x
  2. Step 2: Convert to fraction form
    190,792.68/263,293.65 = 105,909.54/x
  3. Step 3: Cross multiply
    190,792.68x = 263,293.65 × 105,909.54
  4. Step 4: Simplify right side
    190,792.68x = 27,885,309,356.42
  5. Step 5: Solve for x
    x = 27,885,309,356.42/190,792.68
  6. Step 6: Final answer
    x = 146,155.03

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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.