Home / 275,237.88-412,319.07-189,646.92

Finding the Fourth Proportional to 275,237.88, 412,319.07 and 189,646.92

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Solution

The fourth proportional to 275,237.88, 412,319.07 and 189,646.92 is: 284,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,237.88 : 412,319.07 = 189,646.92 : x
  2. Step 2: Convert to fraction form
    275,237.88/412,319.07 = 189,646.92/x
  3. Step 3: Cross multiply
    275,237.88x = 412,319.07 × 189,646.92
  4. Step 4: Simplify right side
    275,237.88x = 78,195,041,682.76
  5. Step 5: Solve for x
    x = 78,195,041,682.76/275,237.88
  6. Step 6: Final answer
    x = 284,099.85

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1.5x scale

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.