Home / 127,198.45-190,801.82-63,984.12

Finding the Fourth Proportional to 127,198.45, 190,801.82 and 63,984.12

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Solution

The fourth proportional to 127,198.45, 190,801.82 and 63,984.12 is: 95,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,198.45 : 190,801.82 = 63,984.12 : x
  2. Step 2: Convert to fraction form
    127,198.45/190,801.82 = 63,984.12/x
  3. Step 3: Cross multiply
    127,198.45x = 190,801.82 × 63,984.12
  4. Step 4: Simplify right side
    127,198.45x = 12,208,286,547.10
  5. Step 5: Solve for x
    x = 12,208,286,547.10/127,198.45
  6. Step 6: Final answer
    x = 95,978.27

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1.5x scale

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.