Home / 148,742.30-222,785.40-89,474.60

Finding the Fourth Proportional to 148,742.30, 222,785.40 and 89,474.60

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Solution

The fourth proportional to 148,742.30, 222,785.40 and 89,474.60 is: 134,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,742.30 : 222,785.40 = 89,474.60 : x
  2. Step 2: Convert to fraction form
    148,742.30/222,785.40 = 89,474.60/x
  3. Step 3: Cross multiply
    148,742.30x = 222,785.40 × 89,474.60
  4. Step 4: Simplify right side
    148,742.30x = 19,933,634,550.84
  5. Step 5: Solve for x
    x = 19,933,634,550.84/148,742.30
  6. Step 6: Final answer
    x = 134,014.56

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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.