Home / 148,293.40-222,440.10-123,361.60

Finding the Fourth Proportional to 148,293.40, 222,440.10 and 123,361.60

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Solution

The fourth proportional to 148,293.40, 222,440.10 and 123,361.60 is: 185,042.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,293.40 : 222,440.10 = 123,361.60 : x
  2. Step 2: Convert to fraction form
    148,293.40/222,440.10 = 123,361.60/x
  3. Step 3: Cross multiply
    148,293.40x = 222,440.10 × 123,361.60
  4. Step 4: Simplify right side
    148,293.40x = 27,440,566,640.16
  5. Step 5: Solve for x
    x = 27,440,566,640.16/148,293.40
  6. Step 6: Final answer
    x = 185,042.40

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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.