Home / 219,622.22-329,433.33-53,408.78

Finding the Fourth Proportional to 219,622.22, 329,433.33 and 53,408.78

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Solution

The fourth proportional to 219,622.22, 329,433.33 and 53,408.78 is: 80,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,622.22 : 329,433.33 = 53,408.78 : x
  2. Step 2: Convert to fraction form
    219,622.22/329,433.33 = 53,408.78/x
  3. Step 3: Cross multiply
    219,622.22x = 329,433.33 × 53,408.78
  4. Step 4: Simplify right side
    219,622.22x = 17,594,632,246.64
  5. Step 5: Solve for x
    x = 17,594,632,246.64/219,622.22
  6. Step 6: Final answer
    x = 80,113.17

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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.