Home / 116,472.82-160,749.75-71,176.90

Finding the Fourth Proportional to 116,472.82, 160,749.75 and 71,176.90

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Solution

The fourth proportional to 116,472.82, 160,749.75 and 71,176.90 is: 98,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,472.82 : 160,749.75 = 71,176.90 : x
  2. Step 2: Convert to fraction form
    116,472.82/160,749.75 = 71,176.90/x
  3. Step 3: Cross multiply
    116,472.82x = 160,749.75 × 71,176.90
  4. Step 4: Simplify right side
    116,472.82x = 11,441,668,880.78
  5. Step 5: Solve for x
    x = 11,441,668,880.78/116,472.82
  6. Step 6: Final answer
    x = 98,234.67

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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.