Home / 198,610.28-274,065.88-116,925.56

Finding the Fourth Proportional to 198,610.28, 274,065.88 and 116,925.56

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Solution

The fourth proportional to 198,610.28, 274,065.88 and 116,925.56 is: 161,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,610.28 : 274,065.88 = 116,925.56 : x
  2. Step 2: Convert to fraction form
    198,610.28/274,065.88 = 116,925.56/x
  3. Step 3: Cross multiply
    198,610.28x = 274,065.88 × 116,925.56
  4. Step 4: Simplify right side
    198,610.28x = 32,045,306,495.89
  5. Step 5: Solve for x
    x = 32,045,306,495.89/198,610.28
  6. Step 6: Final answer
    x = 161,347.67

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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.