Home / 189,637.26-261,706.94-109,064.71

Finding the Fourth Proportional to 189,637.26, 261,706.94 and 109,064.71

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Solution

The fourth proportional to 189,637.26, 261,706.94 and 109,064.71 is: 150,513.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,637.26 : 261,706.94 = 109,064.71 : x
  2. Step 2: Convert to fraction form
    189,637.26/261,706.94 = 109,064.71/x
  3. Step 3: Cross multiply
    189,637.26x = 261,706.94 × 109,064.71
  4. Step 4: Simplify right side
    189,637.26x = 28,542,991,516.09
  5. Step 5: Solve for x
    x = 28,542,991,516.09/189,637.26
  6. Step 6: Final answer
    x = 150,513.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.