Home / 148,287.40-222,128.70-91,954.60

Finding the Fourth Proportional to 148,287.40, 222,128.70 and 91,954.60

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Solution

The fourth proportional to 148,287.40, 222,128.70 and 91,954.60 is: 137,744.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,287.40 : 222,128.70 = 91,954.60 : x
  2. Step 2: Convert to fraction form
    148,287.40/222,128.70 = 91,954.60/x
  3. Step 3: Cross multiply
    148,287.40x = 222,128.70 × 91,954.60
  4. Step 4: Simplify right side
    148,287.40x = 20,425,755,757.02
  5. Step 5: Solve for x
    x = 20,425,755,757.02/148,287.40
  6. Step 6: Final answer
    x = 137,744.38

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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.