Home / 127,064.57-190,222.38-111,300.44

Finding the Fourth Proportional to 127,064.57, 190,222.38 and 111,300.44

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Solution

The fourth proportional to 127,064.57, 190,222.38 and 111,300.44 is: 166,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,064.57 : 190,222.38 = 111,300.44 : x
  2. Step 2: Convert to fraction form
    127,064.57/190,222.38 = 111,300.44/x
  3. Step 3: Cross multiply
    127,064.57x = 190,222.38 × 111,300.44
  4. Step 4: Simplify right side
    127,064.57x = 21,171,833,640.74
  5. Step 5: Solve for x
    x = 21,171,833,640.74/127,064.57
  6. Step 6: Final answer
    x = 166,622.64

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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.