Home / 187,290.44-280,804.23-68,946.60

Finding the Fourth Proportional to 187,290.44, 280,804.23 and 68,946.60

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Solution

The fourth proportional to 187,290.44, 280,804.23 and 68,946.60 is: 103,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,290.44 : 280,804.23 = 68,946.60 : x
  2. Step 2: Convert to fraction form
    187,290.44/280,804.23 = 68,946.60/x
  3. Step 3: Cross multiply
    187,290.44x = 280,804.23 × 68,946.60
  4. Step 4: Simplify right side
    187,290.44x = 19,360,496,924.12
  5. Step 5: Solve for x
    x = 19,360,496,924.12/187,290.44
  6. Step 6: Final answer
    x = 103,371.52

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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.