Home / 148,289.43-222,328.23-69,360.60

Finding the Fourth Proportional to 148,289.43, 222,328.23 and 69,360.60

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Solution

The fourth proportional to 148,289.43, 222,328.23 and 69,360.60 is: 103,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,289.43 : 222,328.23 = 69,360.60 : x
  2. Step 2: Convert to fraction form
    148,289.43/222,328.23 = 69,360.60/x
  3. Step 3: Cross multiply
    148,289.43x = 222,328.23 × 69,360.60
  4. Step 4: Simplify right side
    148,289.43x = 15,420,819,429.74
  5. Step 5: Solve for x
    x = 15,420,819,429.74/148,289.43
  6. Step 6: Final answer
    x = 103,991.36

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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.