Home / 371,736.48-557,650.80-122,505.12

Finding the Fourth Proportional to 371,736.48, 557,650.80 and 122,505.12

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Solution

The fourth proportional to 371,736.48, 557,650.80 and 122,505.12 is: 183,772.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,736.48 : 557,650.80 = 122,505.12 : x
  2. Step 2: Convert to fraction form
    371,736.48/557,650.80 = 122,505.12/x
  3. Step 3: Cross multiply
    371,736.48x = 557,650.80 × 122,505.12
  4. Step 4: Simplify right side
    371,736.48x = 68,315,078,172.10
  5. Step 5: Solve for x
    x = 68,315,078,172.10/371,736.48
  6. Step 6: Final answer
    x = 183,772.87

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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.