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Finding the Fourth Proportional to 148,264.40, 222,396.60 and 143,015.60

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Solution

The fourth proportional to 148,264.40, 222,396.60 and 143,015.60 is: 214,523.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,264.40 : 222,396.60 = 143,015.60 : x
  2. Step 2: Convert to fraction form
    148,264.40/222,396.60 = 143,015.60/x
  3. Step 3: Cross multiply
    148,264.40x = 222,396.60 × 143,015.60
  4. Step 4: Simplify right side
    148,264.40x = 31,806,183,186.96
  5. Step 5: Solve for x
    x = 31,806,183,186.96/148,264.40
  6. Step 6: Final answer
    x = 214,523.40

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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.