Home / 229,749.92-344,636.16-61,271.78

Finding the Fourth Proportional to 229,749.92, 344,636.16 and 61,271.78

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Solution

The fourth proportional to 229,749.92, 344,636.16 and 61,271.78 is: 91,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,749.92 : 344,636.16 = 61,271.78 : x
  2. Step 2: Convert to fraction form
    229,749.92/344,636.16 = 61,271.78/x
  3. Step 3: Cross multiply
    229,749.92x = 344,636.16 × 61,271.78
  4. Step 4: Simplify right side
    229,749.92x = 21,116,470,975.56
  5. Step 5: Solve for x
    x = 21,116,470,975.56/229,749.92
  6. Step 6: Final answer
    x = 91,910.68

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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.