Home / 199,127.84-274,796.34-109,703.84

Finding the Fourth Proportional to 199,127.84, 274,796.34 and 109,703.84

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Solution

The fourth proportional to 199,127.84, 274,796.34 and 109,703.84 is: 151,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,127.84 : 274,796.34 = 109,703.84 : x
  2. Step 2: Convert to fraction form
    199,127.84/274,796.34 = 109,703.84/x
  3. Step 3: Cross multiply
    199,127.84x = 274,796.34 × 109,703.84
  4. Step 4: Simplify right side
    199,127.84x = 30,146,213,715.95
  5. Step 5: Solve for x
    x = 30,146,213,715.95/199,127.84
  6. Step 6: Final answer
    x = 151,391.26

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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.