Home / 190,580.85-263,017.73-105,725.25

Finding the Fourth Proportional to 190,580.85, 263,017.73 and 105,725.25

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Solution

The fourth proportional to 190,580.85, 263,017.73 and 105,725.25 is: 145,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,580.85 : 263,017.73 = 105,725.25 : x
  2. Step 2: Convert to fraction form
    190,580.85/263,017.73 = 105,725.25/x
  3. Step 3: Cross multiply
    190,580.85x = 263,017.73 × 105,725.25
  4. Step 4: Simplify right side
    190,580.85x = 27,807,615,258.68
  5. Step 5: Solve for x
    x = 27,807,615,258.68/190,580.85
  6. Step 6: Final answer
    x = 145,909.81

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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.