Home / 148,081.80-222,122.70-100,842.60

Finding the Fourth Proportional to 148,081.80, 222,122.70 and 100,842.60

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Solution

The fourth proportional to 148,081.80, 222,122.70 and 100,842.60 is: 151,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,081.80 : 222,122.70 = 100,842.60 : x
  2. Step 2: Convert to fraction form
    148,081.80/222,122.70 = 100,842.60/x
  3. Step 3: Cross multiply
    148,081.80x = 222,122.70 × 100,842.60
  4. Step 4: Simplify right side
    148,081.80x = 22,399,430,587.02
  5. Step 5: Solve for x
    x = 22,399,430,587.02/148,081.80
  6. Step 6: Final answer
    x = 151,263.90

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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.