Home / 185,066.31-277,557.96-85,130.55

Finding the Fourth Proportional to 185,066.31, 277,557.96 and 85,130.55

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Solution

The fourth proportional to 185,066.31, 277,557.96 and 85,130.55 is: 127,676.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,066.31 : 277,557.96 = 85,130.55 : x
  2. Step 2: Convert to fraction form
    185,066.31/277,557.96 = 85,130.55/x
  3. Step 3: Cross multiply
    185,066.31x = 277,557.96 × 85,130.55
  4. Step 4: Simplify right side
    185,066.31x = 23,628,661,791.68
  5. Step 5: Solve for x
    x = 23,628,661,791.68/185,066.31
  6. Step 6: Final answer
    x = 127,676.73

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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.