Home / 351,130.38-484,556.47-189,981.89

Finding the Fourth Proportional to 351,130.38, 484,556.47 and 189,981.89

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Solution

The fourth proportional to 351,130.38, 484,556.47 and 189,981.89 is: 262,173.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,130.38 : 484,556.47 = 189,981.89 : x
  2. Step 2: Convert to fraction form
    351,130.38/484,556.47 = 189,981.89/x
  3. Step 3: Cross multiply
    351,130.38x = 484,556.47 × 189,981.89
  4. Step 4: Simplify right side
    351,130.38x = 92,056,953,982.33
  5. Step 5: Solve for x
    x = 92,056,953,982.33/351,130.38
  6. Step 6: Final answer
    x = 262,173.14

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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.