Home / 220,772.51-331,191.17-70,963.41

Finding the Fourth Proportional to 220,772.51, 331,191.17 and 70,963.41

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Solution

The fourth proportional to 220,772.51, 331,191.17 and 70,963.41 is: 106,455.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,772.51 : 331,191.17 = 70,963.41 : x
  2. Step 2: Convert to fraction form
    220,772.51/331,191.17 = 70,963.41/x
  3. Step 3: Cross multiply
    220,772.51x = 331,191.17 × 70,963.41
  4. Step 4: Simplify right side
    220,772.51x = 23,502,454,430.27
  5. Step 5: Solve for x
    x = 23,502,454,430.27/220,772.51
  6. Step 6: Final answer
    x = 106,455.53

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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.