Home / 349,317.09-482,108.63-196,367.87

Finding the Fourth Proportional to 349,317.09, 482,108.63 and 196,367.87

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Solution

The fourth proportional to 349,317.09, 482,108.63 and 196,367.87 is: 271,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,317.09 : 482,108.63 = 196,367.87 : x
  2. Step 2: Convert to fraction form
    349,317.09/482,108.63 = 196,367.87/x
  3. Step 3: Cross multiply
    349,317.09x = 482,108.63 × 196,367.87
  4. Step 4: Simplify right side
    349,317.09x = 94,670,645,005.15
  5. Step 5: Solve for x
    x = 94,670,645,005.15/349,317.09
  6. Step 6: Final answer
    x = 271,016.36

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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.