Home / 148,276.40-222,112.20-91,943.60

Finding the Fourth Proportional to 148,276.40, 222,112.20 and 91,943.60

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Solution

The fourth proportional to 148,276.40, 222,112.20 and 91,943.60 is: 137,727.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,276.40 : 222,112.20 = 91,943.60 : x
  2. Step 2: Convert to fraction form
    148,276.40/222,112.20 = 91,943.60/x
  3. Step 3: Cross multiply
    148,276.40x = 222,112.20 × 91,943.60
  4. Step 4: Simplify right side
    148,276.40x = 20,421,795,271.92
  5. Step 5: Solve for x
    x = 20,421,795,271.92/148,276.40
  6. Step 6: Final answer
    x = 137,727.89

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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.