Home / 130,198.40-195,297.66-47,072.96

Finding the Fourth Proportional to 130,198.40, 195,297.66 and 47,072.96

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Solution

The fourth proportional to 130,198.40, 195,297.66 and 47,072.96 is: 70,609.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,198.40 : 195,297.66 = 47,072.96 : x
  2. Step 2: Convert to fraction form
    130,198.40/195,297.66 = 47,072.96/x
  3. Step 3: Cross multiply
    130,198.40x = 195,297.66 × 47,072.96
  4. Step 4: Simplify right side
    130,198.40x = 9,193,238,937.27
  5. Step 5: Solve for x
    x = 9,193,238,937.27/130,198.40
  6. Step 6: Final answer
    x = 70,609.46

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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.