Home / 171,045-236,107.92-153,108.36

Finding the Fourth Proportional to 171,045, 236,107.92 and 153,108.36

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Solution

The fourth proportional to 171,045, 236,107.92 and 153,108.36 is: 211,348.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,045 : 236,107.92 = 153,108.36 : x
  2. Step 2: Convert to fraction form
    171,045/236,107.92 = 153,108.36/x
  3. Step 3: Cross multiply
    171,045x = 236,107.92 × 153,108.36
  4. Step 4: Simplify right side
    171,045x = 36,150,096,414.21
  5. Step 5: Solve for x
    x = 36,150,096,414.21/171,045
  6. Step 6: Final answer
    x = 211,348.45

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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.