Home / 126,686.04-190,042.41-51,794.28

Finding the Fourth Proportional to 126,686.04, 190,042.41 and 51,794.28

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Solution

The fourth proportional to 126,686.04, 190,042.41 and 51,794.28 is: 77,696.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,686.04 : 190,042.41 = 51,794.28 : x
  2. Step 2: Convert to fraction form
    126,686.04/190,042.41 = 51,794.28/x
  3. Step 3: Cross multiply
    126,686.04x = 190,042.41 × 51,794.28
  4. Step 4: Simplify right side
    126,686.04x = 9,843,109,795.41
  5. Step 5: Solve for x
    x = 9,843,109,795.41/126,686.04
  6. Step 6: Final answer
    x = 77,696.88

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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.