Home / 412,063.20-618,092.64-131,574.24

Finding the Fourth Proportional to 412,063.20, 618,092.64 and 131,574.24

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Solution

The fourth proportional to 412,063.20, 618,092.64 and 131,574.24 is: 197,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,063.20 : 618,092.64 = 131,574.24 : x
  2. Step 2: Convert to fraction form
    412,063.20/618,092.64 = 131,574.24/x
  3. Step 3: Cross multiply
    412,063.20x = 618,092.64 × 131,574.24
  4. Step 4: Simplify right side
    412,063.20x = 81,325,069,357.59
  5. Step 5: Solve for x
    x = 81,325,069,357.59/412,063.20
  6. Step 6: Final answer
    x = 197,360.67

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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.