Home / 219,636.30-329,478.66-69,841.56

Finding the Fourth Proportional to 219,636.30, 329,478.66 and 69,841.56

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Solution

The fourth proportional to 219,636.30, 329,478.66 and 69,841.56 is: 104,770.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,636.30 : 329,478.66 = 69,841.56 : x
  2. Step 2: Convert to fraction form
    219,636.30/329,478.66 = 69,841.56/x
  3. Step 3: Cross multiply
    219,636.30x = 329,478.66 × 69,841.56
  4. Step 4: Simplify right side
    219,636.30x = 23,011,303,601.11
  5. Step 5: Solve for x
    x = 23,011,303,601.11/219,636.30
  6. Step 6: Final answer
    x = 104,770.04

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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.