Home / 127,328.22-190,988.89-43,087.82

Finding the Fourth Proportional to 127,328.22, 190,988.89 and 43,087.82

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Solution

The fourth proportional to 127,328.22, 190,988.89 and 43,087.82 is: 64,630.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,328.22 : 190,988.89 = 43,087.82 : x
  2. Step 2: Convert to fraction form
    127,328.22/190,988.89 = 43,087.82/x
  3. Step 3: Cross multiply
    127,328.22x = 190,988.89 × 43,087.82
  4. Step 4: Simplify right side
    127,328.22x = 8,229,293,851.66
  5. Step 5: Solve for x
    x = 8,229,293,851.66/127,328.22
  6. Step 6: Final answer
    x = 64,630.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.