Home / 127,271.10-190,906.65-122,022.30

Finding the Fourth Proportional to 127,271.10, 190,906.65 and 122,022.30

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Solution

The fourth proportional to 127,271.10, 190,906.65 and 122,022.30 is: 183,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,271.10 : 190,906.65 = 122,022.30 : x
  2. Step 2: Convert to fraction form
    127,271.10/190,906.65 = 122,022.30/x
  3. Step 3: Cross multiply
    127,271.10x = 190,906.65 × 122,022.30
  4. Step 4: Simplify right side
    127,271.10x = 23,294,868,518.30
  5. Step 5: Solve for x
    x = 23,294,868,518.30/127,271.10
  6. Step 6: Final answer
    x = 183,033.45

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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.