Home / 277,031.09-382,447.37-196,650.64

Finding the Fourth Proportional to 277,031.09, 382,447.37 and 196,650.64

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Solution

The fourth proportional to 277,031.09, 382,447.37 and 196,650.64 is: 271,480.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,031.09 : 382,447.37 = 196,650.64 : x
  2. Step 2: Convert to fraction form
    277,031.09/382,447.37 = 196,650.64/x
  3. Step 3: Cross multiply
    277,031.09x = 382,447.37 × 196,650.64
  4. Step 4: Simplify right side
    277,031.09x = 75,208,518,895.24
  5. Step 5: Solve for x
    x = 75,208,518,895.24/277,031.09
  6. Step 6: Final answer
    x = 271,480.43

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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.