Home / 199,821.06-299,879.40-94,640.22

Finding the Fourth Proportional to 199,821.06, 299,879.40 and 94,640.22

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Solution

The fourth proportional to 199,821.06, 299,879.40 and 94,640.22 is: 142,030.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,821.06 : 299,879.40 = 94,640.22 : x
  2. Step 2: Convert to fraction form
    199,821.06/299,879.40 = 94,640.22/x
  3. Step 3: Cross multiply
    199,821.06x = 299,879.40 × 94,640.22
  4. Step 4: Simplify right side
    199,821.06x = 28,380,652,389.47
  5. Step 5: Solve for x
    x = 28,380,652,389.47/199,821.06
  6. Step 6: Final answer
    x = 142,030.34

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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.