Home / 185,537.94-278,078.82-85,559.34

Finding the Fourth Proportional to 185,537.94, 278,078.82 and 85,559.34

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Solution

The fourth proportional to 185,537.94, 278,078.82 and 85,559.34 is: 128,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,537.94 : 278,078.82 = 85,559.34 : x
  2. Step 2: Convert to fraction form
    185,537.94/278,078.82 = 85,559.34/x
  3. Step 3: Cross multiply
    185,537.94x = 278,078.82 × 85,559.34
  4. Step 4: Simplify right side
    185,537.94x = 23,792,240,307.18
  5. Step 5: Solve for x
    x = 23,792,240,307.18/185,537.94
  6. Step 6: Final answer
    x = 128,233.83

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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.