Home / 127,067.66-190,360.90-84,820.36

Finding the Fourth Proportional to 127,067.66, 190,360.90 and 84,820.36

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Solution

The fourth proportional to 127,067.66, 190,360.90 and 84,820.36 is: 127,069.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,067.66 : 190,360.90 = 84,820.36 : x
  2. Step 2: Convert to fraction form
    127,067.66/190,360.90 = 84,820.36/x
  3. Step 3: Cross multiply
    127,067.66x = 190,360.90 × 84,820.36
  4. Step 4: Simplify right side
    127,067.66x = 16,146,480,067.92
  5. Step 5: Solve for x
    x = 16,146,480,067.92/127,067.66
  6. Step 6: Final answer
    x = 127,069.94

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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.