Home / 319,655.09-441,181.16-190,601.88

Finding the Fourth Proportional to 319,655.09, 441,181.16 and 190,601.88

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Solution

The fourth proportional to 319,655.09, 441,181.16 and 190,601.88 is: 263,064.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,655.09 : 441,181.16 = 190,601.88 : x
  2. Step 2: Convert to fraction form
    319,655.09/441,181.16 = 190,601.88/x
  3. Step 3: Cross multiply
    319,655.09x = 441,181.16 × 190,601.88
  4. Step 4: Simplify right side
    319,655.09x = 84,089,957,696.03
  5. Step 5: Solve for x
    x = 84,089,957,696.03/319,655.09
  6. Step 6: Final answer
    x = 263,064.66

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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.