Home / 164,590.66-227,072.48-121,673.20

Finding the Fourth Proportional to 164,590.66, 227,072.48 and 121,673.20

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Solution

The fourth proportional to 164,590.66, 227,072.48 and 121,673.20 is: 167,862.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,590.66 : 227,072.48 = 121,673.20 : x
  2. Step 2: Convert to fraction form
    164,590.66/227,072.48 = 121,673.20/x
  3. Step 3: Cross multiply
    164,590.66x = 227,072.48 × 121,673.20
  4. Step 4: Simplify right side
    164,590.66x = 27,628,635,273.54
  5. Step 5: Solve for x
    x = 27,628,635,273.54/164,590.66
  6. Step 6: Final answer
    x = 167,862.72

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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.