Home / 130,813.38-196,249.32-47,707.38

Finding the Fourth Proportional to 130,813.38, 196,249.32 and 47,707.38

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Solution

The fourth proportional to 130,813.38, 196,249.32 and 47,707.38 is: 71,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,813.38 : 196,249.32 = 47,707.38 : x
  2. Step 2: Convert to fraction form
    130,813.38/196,249.32 = 47,707.38/x
  3. Step 3: Cross multiply
    130,813.38x = 196,249.32 × 47,707.38
  4. Step 4: Simplify right side
    130,813.38x = 9,362,540,883.98
  5. Step 5: Solve for x
    x = 9,362,540,883.98/130,813.38
  6. Step 6: Final answer
    x = 71,571.74

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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.