Home / 219,112.16-328,717.49-69,361.43

Finding the Fourth Proportional to 219,112.16, 328,717.49 and 69,361.43

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Solution

The fourth proportional to 219,112.16, 328,717.49 and 69,361.43 is: 104,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,112.16 : 328,717.49 = 69,361.43 : x
  2. Step 2: Convert to fraction form
    219,112.16/328,717.49 = 69,361.43/x
  3. Step 3: Cross multiply
    219,112.16x = 328,717.49 × 69,361.43
  4. Step 4: Simplify right side
    219,112.16x = 22,800,315,647.40
  5. Step 5: Solve for x
    x = 22,800,315,647.40/219,112.16
  6. Step 6: Final answer
    x = 104,057.74

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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.