Home / 148,460.40-222,388.20-92,127.60

Finding the Fourth Proportional to 148,460.40, 222,388.20 and 92,127.60

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Solution

The fourth proportional to 148,460.40, 222,388.20 and 92,127.60 is: 138,003.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,460.40 : 222,388.20 = 92,127.60 : x
  2. Step 2: Convert to fraction form
    148,460.40/222,388.20 = 92,127.60/x
  3. Step 3: Cross multiply
    148,460.40x = 222,388.20 × 92,127.60
  4. Step 4: Simplify right side
    148,460.40x = 20,488,091,134.32
  5. Step 5: Solve for x
    x = 20,488,091,134.32/148,460.40
  6. Step 6: Final answer
    x = 138,003.74

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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.