Home / 412,169.29-618,182.55-123,976.76

Finding the Fourth Proportional to 412,169.29, 618,182.55 and 123,976.76

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Solution

The fourth proportional to 412,169.29, 618,182.55 and 123,976.76 is: 185,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,169.29 : 618,182.55 = 123,976.76 : x
  2. Step 2: Convert to fraction form
    412,169.29/618,182.55 = 123,976.76/x
  3. Step 3: Cross multiply
    412,169.29x = 618,182.55 × 123,976.76
  4. Step 4: Simplify right side
    412,169.29x = 76,640,269,637.54
  5. Step 5: Solve for x
    x = 76,640,269,637.54/412,169.29
  6. Step 6: Final answer
    x = 185,943.67

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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.