Home / 198,560.04-274,014.96-107,916

Finding the Fourth Proportional to 198,560.04, 274,014.96 and 107,916

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Solution

The fourth proportional to 198,560.04, 274,014.96 and 107,916 is: 148,925.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,560.04 : 274,014.96 = 107,916 : x
  2. Step 2: Convert to fraction form
    198,560.04/274,014.96 = 107,916/x
  3. Step 3: Cross multiply
    198,560.04x = 274,014.96 × 107,916
  4. Step 4: Simplify right side
    198,560.04x = 29,570,598,423.36
  5. Step 5: Solve for x
    x = 29,570,598,423.36/198,560.04
  6. Step 6: Final answer
    x = 148,925.22

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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.