Home / 148,056.49-222,183.15-69,176.87

Finding the Fourth Proportional to 148,056.49, 222,183.15 and 69,176.87

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Solution

The fourth proportional to 148,056.49, 222,183.15 and 69,176.87 is: 103,811.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,056.49 : 222,183.15 = 69,176.87 : x
  2. Step 2: Convert to fraction form
    148,056.49/222,183.15 = 69,176.87/x
  3. Step 3: Cross multiply
    148,056.49x = 222,183.15 × 69,176.87
  4. Step 4: Simplify right side
    148,056.49x = 15,369,934,883.74
  5. Step 5: Solve for x
    x = 15,369,934,883.74/148,056.49
  6. Step 6: Final answer
    x = 103,811.29

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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.