Home / 274,890.08-412,493.70-148,530.68

Finding the Fourth Proportional to 274,890.08, 412,493.70 and 148,530.68

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Solution

The fourth proportional to 274,890.08, 412,493.70 and 148,530.68 is: 222,881.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,890.08 : 412,493.70 = 148,530.68 : x
  2. Step 2: Convert to fraction form
    274,890.08/412,493.70 = 148,530.68/x
  3. Step 3: Cross multiply
    274,890.08x = 412,493.70 × 148,530.68
  4. Step 4: Simplify right side
    274,890.08x = 61,267,969,756.72
  5. Step 5: Solve for x
    x = 61,267,969,756.72/274,890.08
  6. Step 6: Final answer
    x = 222,881.71

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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.