Home / 148,622.14-222,552.60-81,988.20

Finding the Fourth Proportional to 148,622.14, 222,552.60 and 81,988.20

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Solution

The fourth proportional to 148,622.14, 222,552.60 and 81,988.20 is: 122,772.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,622.14 : 222,552.60 = 81,988.20 : x
  2. Step 2: Convert to fraction form
    148,622.14/222,552.60 = 81,988.20/x
  3. Step 3: Cross multiply
    148,622.14x = 222,552.60 × 81,988.20
  4. Step 4: Simplify right side
    148,622.14x = 18,246,687,079.32
  5. Step 5: Solve for x
    x = 18,246,687,079.32/148,622.14
  6. Step 6: Final answer
    x = 122,772.33

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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.