Home / 148,378.67-204,735.59-82,968.66

Finding the Fourth Proportional to 148,378.67, 204,735.59 and 82,968.66

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Solution

The fourth proportional to 148,378.67, 204,735.59 and 82,968.66 is: 114,481.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,378.67 : 204,735.59 = 82,968.66 : x
  2. Step 2: Convert to fraction form
    148,378.67/204,735.59 = 82,968.66/x
  3. Step 3: Cross multiply
    148,378.67x = 204,735.59 × 82,968.66
  4. Step 4: Simplify right side
    148,378.67x = 16,986,637,141.77
  5. Step 5: Solve for x
    x = 16,986,637,141.77/148,378.67
  6. Step 6: Final answer
    x = 114,481.67

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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.