Home / 126,927.19-190,443.03-55,813.24

Finding the Fourth Proportional to 126,927.19, 190,443.03 and 55,813.24

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Solution

The fourth proportional to 126,927.19, 190,443.03 and 55,813.24 is: 83,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,927.19 : 190,443.03 = 55,813.24 : x
  2. Step 2: Convert to fraction form
    126,927.19/190,443.03 = 55,813.24/x
  3. Step 3: Cross multiply
    126,927.19x = 190,443.03 × 55,813.24
  4. Step 4: Simplify right side
    126,927.19x = 10,629,242,539.72
  5. Step 5: Solve for x
    x = 10,629,242,539.72/126,927.19
  6. Step 6: Final answer
    x = 83,742.83

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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.