Home / 198,014.54-273,307.32-117,488.79

Finding the Fourth Proportional to 198,014.54, 273,307.32 and 117,488.79

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Solution

The fourth proportional to 198,014.54, 273,307.32 and 117,488.79 is: 162,162.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,014.54 : 273,307.32 = 117,488.79 : x
  2. Step 2: Convert to fraction form
    198,014.54/273,307.32 = 117,488.79/x
  3. Step 3: Cross multiply
    198,014.54x = 273,307.32 × 117,488.79
  4. Step 4: Simplify right side
    198,014.54x = 32,110,546,324.94
  5. Step 5: Solve for x
    x = 32,110,546,324.94/198,014.54
  6. Step 6: Final answer
    x = 162,162.57

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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.