Home / 148,470.40-222,403.20-92,137.60

Finding the Fourth Proportional to 148,470.40, 222,403.20 and 92,137.60

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Solution

The fourth proportional to 148,470.40, 222,403.20 and 92,137.60 is: 138,018.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,470.40 : 222,403.20 = 92,137.60 : x
  2. Step 2: Convert to fraction form
    148,470.40/222,403.20 = 92,137.60/x
  3. Step 3: Cross multiply
    148,470.40x = 222,403.20 × 92,137.60
  4. Step 4: Simplify right side
    148,470.40x = 20,491,697,080.32
  5. Step 5: Solve for x
    x = 20,491,697,080.32/148,470.40
  6. Step 6: Final answer
    x = 138,018.74

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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.