Home / 126,686.32-190,028.04-51,846.64

Finding the Fourth Proportional to 126,686.32, 190,028.04 and 51,846.64

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Solution

The fourth proportional to 126,686.32, 190,028.04 and 51,846.64 is: 77,769.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,686.32 : 190,028.04 = 51,846.64 : x
  2. Step 2: Convert to fraction form
    126,686.32/190,028.04 = 51,846.64/x
  3. Step 3: Cross multiply
    126,686.32x = 190,028.04 × 51,846.64
  4. Step 4: Simplify right side
    126,686.32x = 9,852,315,379.79
  5. Step 5: Solve for x
    x = 9,852,315,379.79/126,686.32
  6. Step 6: Final answer
    x = 77,769.37

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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.