Home / 319,255.88-440,583.74-190,176.72

Finding the Fourth Proportional to 319,255.88, 440,583.74 and 190,176.72

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Solution

The fourth proportional to 319,255.88, 440,583.74 and 190,176.72 is: 262,450.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,255.88 : 440,583.74 = 190,176.72 : x
  2. Step 2: Convert to fraction form
    319,255.88/440,583.74 = 190,176.72/x
  3. Step 3: Cross multiply
    319,255.88x = 440,583.74 × 190,176.72
  4. Step 4: Simplify right side
    319,255.88x = 83,788,770,558.53
  5. Step 5: Solve for x
    x = 83,788,770,558.53/319,255.88
  6. Step 6: Final answer
    x = 262,450.20

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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.