Home / 171,863.08-237,117.90-100,192.37

Finding the Fourth Proportional to 171,863.08, 237,117.90 and 100,192.37

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Solution

The fourth proportional to 171,863.08, 237,117.90 and 100,192.37 is: 138,234.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,863.08 : 237,117.90 = 100,192.37 : x
  2. Step 2: Convert to fraction form
    171,863.08/237,117.90 = 100,192.37/x
  3. Step 3: Cross multiply
    171,863.08x = 237,117.90 × 100,192.37
  4. Step 4: Simplify right side
    171,863.08x = 23,757,404,370.42
  5. Step 5: Solve for x
    x = 23,757,404,370.42/171,863.08
  6. Step 6: Final answer
    x = 138,234.49

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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.