Home / 223,055.22-307,807.97-121,078.44

Finding the Fourth Proportional to 223,055.22, 307,807.97 and 121,078.44

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Solution

The fourth proportional to 223,055.22, 307,807.97 and 121,078.44 is: 167,083.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,055.22 : 307,807.97 = 121,078.44 : x
  2. Step 2: Convert to fraction form
    223,055.22/307,807.97 = 121,078.44/x
  3. Step 3: Cross multiply
    223,055.22x = 307,807.97 × 121,078.44
  4. Step 4: Simplify right side
    223,055.22x = 37,268,908,827.17
  5. Step 5: Solve for x
    x = 37,268,908,827.17/223,055.22
  6. Step 6: Final answer
    x = 167,083.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.