Home / 190,517.25-262,853.79-118,938.72

Finding the Fourth Proportional to 190,517.25, 262,853.79 and 118,938.72

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Solution

The fourth proportional to 190,517.25, 262,853.79 and 118,938.72 is: 164,097.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,517.25 : 262,853.79 = 118,938.72 : x
  2. Step 2: Convert to fraction form
    190,517.25/262,853.79 = 118,938.72/x
  3. Step 3: Cross multiply
    190,517.25x = 262,853.79 × 118,938.72
  4. Step 4: Simplify right side
    190,517.25x = 31,263,493,329.75
  5. Step 5: Solve for x
    x = 31,263,493,329.75/190,517.25
  6. Step 6: Final answer
    x = 164,097.97

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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.