Home / 198,719.22-274,239.54-113,852.67

Finding the Fourth Proportional to 198,719.22, 274,239.54 and 113,852.67

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Solution

The fourth proportional to 198,719.22, 274,239.54 and 113,852.67 is: 157,120.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,719.22 : 274,239.54 = 113,852.67 : x
  2. Step 2: Convert to fraction form
    198,719.22/274,239.54 = 113,852.67/x
  3. Step 3: Cross multiply
    198,719.22x = 274,239.54 × 113,852.67
  4. Step 4: Simplify right side
    198,719.22x = 31,222,903,848.57
  5. Step 5: Solve for x
    x = 31,222,903,848.57/198,719.22
  6. Step 6: Final answer
    x = 157,120.70

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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.