Home / 199,143.48-274,919.57-134,951.84

Finding the Fourth Proportional to 199,143.48, 274,919.57 and 134,951.84

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Solution

The fourth proportional to 199,143.48, 274,919.57 and 134,951.84 is: 186,302.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,143.48 : 274,919.57 = 134,951.84 : x
  2. Step 2: Convert to fraction form
    199,143.48/274,919.57 = 134,951.84/x
  3. Step 3: Cross multiply
    199,143.48x = 274,919.57 × 134,951.84
  4. Step 4: Simplify right side
    199,143.48x = 37,100,902,848.19
  5. Step 5: Solve for x
    x = 37,100,902,848.19/199,143.48
  6. Step 6: Final answer
    x = 186,302.37

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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.