Home / 219,609.06-329,410.12-69,847.18

Finding the Fourth Proportional to 219,609.06, 329,410.12 and 69,847.18

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Solution

The fourth proportional to 219,609.06, 329,410.12 and 69,847.18 is: 104,769.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,609.06 : 329,410.12 = 69,847.18 : x
  2. Step 2: Convert to fraction form
    219,609.06/329,410.12 = 69,847.18/x
  3. Step 3: Cross multiply
    219,609.06x = 329,410.12 × 69,847.18
  4. Step 4: Simplify right side
    219,609.06x = 23,008,367,945.46
  5. Step 5: Solve for x
    x = 23,008,367,945.46/219,609.06
  6. Step 6: Final answer
    x = 104,769.67

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1.5x scale

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.