Home / 161,010.36-241,563.60-76,877.28

Finding the Fourth Proportional to 161,010.36, 241,563.60 and 76,877.28

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Solution

The fourth proportional to 161,010.36, 241,563.60 and 76,877.28 is: 115,338.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,010.36 : 241,563.60 = 76,877.28 : x
  2. Step 2: Convert to fraction form
    161,010.36/241,563.60 = 76,877.28/x
  3. Step 3: Cross multiply
    161,010.36x = 241,563.60 × 76,877.28
  4. Step 4: Simplify right side
    161,010.36x = 18,570,752,515.01
  5. Step 5: Solve for x
    x = 18,570,752,515.01/161,010.36
  6. Step 6: Final answer
    x = 115,338.87

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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.