Home / 171,222.07-236,512.23-131,427.58

Finding the Fourth Proportional to 171,222.07, 236,512.23 and 131,427.58

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Solution

The fourth proportional to 171,222.07, 236,512.23 and 131,427.58 is: 181,543.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,222.07 : 236,512.23 = 131,427.58 : x
  2. Step 2: Convert to fraction form
    171,222.07/236,512.23 = 131,427.58/x
  3. Step 3: Cross multiply
    171,222.07x = 236,512.23 × 131,427.58
  4. Step 4: Simplify right side
    171,222.07x = 31,084,230,029.30
  5. Step 5: Solve for x
    x = 31,084,230,029.30/171,222.07
  6. Step 6: Final answer
    x = 181,543.36

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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.