Home / 137,992.48-190,318.24-92,656.80

Finding the Fourth Proportional to 137,992.48, 190,318.24 and 92,656.80

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Solution

The fourth proportional to 137,992.48, 190,318.24 and 92,656.80 is: 127,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,992.48 : 190,318.24 = 92,656.80 : x
  2. Step 2: Convert to fraction form
    137,992.48/190,318.24 = 92,656.80/x
  3. Step 3: Cross multiply
    137,992.48x = 190,318.24 × 92,656.80
  4. Step 4: Simplify right side
    137,992.48x = 17,634,279,100.03
  5. Step 5: Solve for x
    x = 17,634,279,100.03/137,992.48
  6. Step 6: Final answer
    x = 127,791.59

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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.