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Finding the Fourth Proportional to 190,891.84, 263,534.88 and 146,255.68

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Solution

The fourth proportional to 190,891.84, 263,534.88 and 146,255.68 is: 201,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,891.84 : 263,534.88 = 146,255.68 : x
  2. Step 2: Convert to fraction form
    190,891.84/263,534.88 = 146,255.68/x
  3. Step 3: Cross multiply
    190,891.84x = 263,534.88 × 146,255.68
  4. Step 4: Simplify right side
    190,891.84x = 38,543,473,078.12
  5. Step 5: Solve for x
    x = 38,543,473,078.12/190,891.84
  6. Step 6: Final answer
    x = 201,912.63

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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.