Home / 171,613.88-236,817.44-100,005.56

Finding the Fourth Proportional to 171,613.88, 236,817.44 and 100,005.56

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Solution

The fourth proportional to 171,613.88, 236,817.44 and 100,005.56 is: 138,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,613.88 : 236,817.44 = 100,005.56 : x
  2. Step 2: Convert to fraction form
    171,613.88/236,817.44 = 100,005.56/x
  3. Step 3: Cross multiply
    171,613.88x = 236,817.44 × 100,005.56
  4. Step 4: Simplify right side
    171,613.88x = 23,683,060,704.97
  5. Step 5: Solve for x
    x = 23,683,060,704.97/171,613.88
  6. Step 6: Final answer
    x = 138,002.01

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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.