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Finding the Fourth Proportional to 201,195.20, 301,792.80 and 148,318.40

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Solution

The fourth proportional to 201,195.20, 301,792.80 and 148,318.40 is: 222,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,195.20 : 301,792.80 = 148,318.40 : x
  2. Step 2: Convert to fraction form
    201,195.20/301,792.80 = 148,318.40/x
  3. Step 3: Cross multiply
    201,195.20x = 301,792.80 × 148,318.40
  4. Step 4: Simplify right side
    201,195.20x = 44,761,425,227.52
  5. Step 5: Solve for x
    x = 44,761,425,227.52/201,195.20
  6. Step 6: Final answer
    x = 222,477.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.