Home / 197,924.88-272,879.37-126,180.36

Finding the Fourth Proportional to 197,924.88, 272,879.37 and 126,180.36

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Solution

The fourth proportional to 197,924.88, 272,879.37 and 126,180.36 is: 173,965.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,924.88 : 272,879.37 = 126,180.36 : x
  2. Step 2: Convert to fraction form
    197,924.88/272,879.37 = 126,180.36/x
  3. Step 3: Cross multiply
    197,924.88x = 272,879.37 × 126,180.36
  4. Step 4: Simplify right side
    197,924.88x = 34,432,017,143.17
  5. Step 5: Solve for x
    x = 34,432,017,143.17/197,924.88
  6. Step 6: Final answer
    x = 173,965.08

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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.