Home / 127,064.49-190,583.37-52,192.55

Finding the Fourth Proportional to 127,064.49, 190,583.37 and 52,192.55

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Solution

The fourth proportional to 127,064.49, 190,583.37 and 52,192.55 is: 78,283.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064.49 : 190,583.37 = 52,192.55 : x
  2. Step 2: Convert to fraction form
    127,064.49/190,583.37 = 52,192.55/x
  3. Step 3: Cross multiply
    127,064.49x = 190,583.37 × 52,192.55
  4. Step 4: Simplify right side
    127,064.49x = 9,947,031,114.98
  5. Step 5: Solve for x
    x = 9,947,031,114.98/127,064.49
  6. Step 6: Final answer
    x = 78,283.33

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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.