Home / 133,220.94-183,839.43-72,793.66

Finding the Fourth Proportional to 133,220.94, 183,839.43 and 72,793.66

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Solution

The fourth proportional to 133,220.94, 183,839.43 and 72,793.66 is: 100,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,220.94 : 183,839.43 = 72,793.66 : x
  2. Step 2: Convert to fraction form
    133,220.94/183,839.43 = 72,793.66/x
  3. Step 3: Cross multiply
    133,220.94x = 183,839.43 × 72,793.66
  4. Step 4: Simplify right side
    133,220.94x = 13,382,344,962.01
  5. Step 5: Solve for x
    x = 13,382,344,962.01/133,220.94
  6. Step 6: Final answer
    x = 100,452.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.