Home / 171,537.01-236,839.21-131,180.47

Finding the Fourth Proportional to 171,537.01, 236,839.21 and 131,180.47

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Solution

The fourth proportional to 171,537.01, 236,839.21 and 131,180.47 is: 181,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,537.01 : 236,839.21 = 131,180.47 : x
  2. Step 2: Convert to fraction form
    171,537.01/236,839.21 = 131,180.47/x
  3. Step 3: Cross multiply
    171,537.01x = 236,839.21 × 131,180.47
  4. Step 4: Simplify right side
    171,537.01x = 31,068,677,962.18
  5. Step 5: Solve for x
    x = 31,068,677,962.18/171,537.01
  6. Step 6: Final answer
    x = 181,119.39

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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.