Home / 148,172.20-222,287.10-42,994.60

Finding the Fourth Proportional to 148,172.20, 222,287.10 and 42,994.60

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Solution

The fourth proportional to 148,172.20, 222,287.10 and 42,994.60 is: 64,500.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,172.20 : 222,287.10 = 42,994.60 : x
  2. Step 2: Convert to fraction form
    148,172.20/222,287.10 = 42,994.60/x
  3. Step 3: Cross multiply
    148,172.20x = 222,287.10 × 42,994.60
  4. Step 4: Simplify right side
    148,172.20x = 9,557,144,949.66
  5. Step 5: Solve for x
    x = 9,557,144,949.66/148,172.20
  6. Step 6: Final answer
    x = 64,500.26

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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.