Home / 199,384.05-274,994.42-127,770.73

Finding the Fourth Proportional to 199,384.05, 274,994.42 and 127,770.73

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Solution

The fourth proportional to 199,384.05, 274,994.42 and 127,770.73 is: 176,223.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,384.05 : 274,994.42 = 127,770.73 : x
  2. Step 2: Convert to fraction form
    199,384.05/274,994.42 = 127,770.73/x
  3. Step 3: Cross multiply
    199,384.05x = 274,994.42 × 127,770.73
  4. Step 4: Simplify right side
    199,384.05x = 35,136,238,369.19
  5. Step 5: Solve for x
    x = 35,136,238,369.19/199,384.05
  6. Step 6: Final answer
    x = 176,223.92

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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.