Home / 202,380.72-303,542.56-127,271.92

Finding the Fourth Proportional to 202,380.72, 303,542.56 and 127,271.92

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Solution

The fourth proportional to 202,380.72, 303,542.56 and 127,271.92 is: 190,889.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,380.72 : 303,542.56 = 127,271.92 : x
  2. Step 2: Convert to fraction form
    202,380.72/303,542.56 = 127,271.92/x
  3. Step 3: Cross multiply
    202,380.72x = 303,542.56 × 127,271.92
  4. Step 4: Simplify right side
    202,380.72x = 38,632,444,412.92
  5. Step 5: Solve for x
    x = 38,632,444,412.92/202,380.72
  6. Step 6: Final answer
    x = 190,889.94

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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.