Home / 285,974.24-428,852.11-96,383.67

Finding the Fourth Proportional to 285,974.24, 428,852.11 and 96,383.67

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Solution

The fourth proportional to 285,974.24, 428,852.11 and 96,383.67 is: 144,538.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,974.24 : 428,852.11 = 96,383.67 : x
  2. Step 2: Convert to fraction form
    285,974.24/428,852.11 = 96,383.67/x
  3. Step 3: Cross multiply
    285,974.24x = 428,852.11 × 96,383.67
  4. Step 4: Simplify right side
    285,974.24x = 41,334,338,104.78
  5. Step 5: Solve for x
    x = 41,334,338,104.78/285,974.24
  6. Step 6: Final answer
    x = 144,538.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.