Home / 196,639.85-271,386.03-111,769.67

Finding the Fourth Proportional to 196,639.85, 271,386.03 and 111,769.67

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Solution

The fourth proportional to 196,639.85, 271,386.03 and 111,769.67 is: 154,255.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,639.85 : 271,386.03 = 111,769.67 : x
  2. Step 2: Convert to fraction form
    196,639.85/271,386.03 = 111,769.67/x
  3. Step 3: Cross multiply
    196,639.85x = 271,386.03 × 111,769.67
  4. Step 4: Simplify right side
    196,639.85x = 30,332,727,015.71
  5. Step 5: Solve for x
    x = 30,332,727,015.71/196,639.85
  6. Step 6: Final answer
    x = 154,255.24

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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.