Home / 148,737.48-222,989.58-69,811.08

Finding the Fourth Proportional to 148,737.48, 222,989.58 and 69,811.08

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Solution

The fourth proportional to 148,737.48, 222,989.58 and 69,811.08 is: 104,661.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,737.48 : 222,989.58 = 69,811.08 : x
  2. Step 2: Convert to fraction form
    148,737.48/222,989.58 = 69,811.08/x
  3. Step 3: Cross multiply
    148,737.48x = 222,989.58 × 69,811.08
  4. Step 4: Simplify right side
    148,737.48x = 15,567,143,408.55
  5. Step 5: Solve for x
    x = 15,567,143,408.55/148,737.48
  6. Step 6: Final answer
    x = 104,661.87

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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.