Home / 197,473.19-272,514.36-120,992.45

Finding the Fourth Proportional to 197,473.19, 272,514.36 and 120,992.45

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Solution

The fourth proportional to 197,473.19, 272,514.36 and 120,992.45 is: 166,970.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,473.19 : 272,514.36 = 120,992.45 : x
  2. Step 2: Convert to fraction form
    197,473.19/272,514.36 = 120,992.45/x
  3. Step 3: Cross multiply
    197,473.19x = 272,514.36 × 120,992.45
  4. Step 4: Simplify right side
    197,473.19x = 32,972,180,076.58
  5. Step 5: Solve for x
    x = 32,972,180,076.58/197,473.19
  6. Step 6: Final answer
    x = 166,970.41

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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.