Home / 187,052.33-280,690.28-68,735.63

Finding the Fourth Proportional to 187,052.33, 280,690.28 and 68,735.63

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Solution

The fourth proportional to 187,052.33, 280,690.28 and 68,735.63 is: 103,144.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,052.33 : 280,690.28 = 68,735.63 : x
  2. Step 2: Convert to fraction form
    187,052.33/280,690.28 = 68,735.63/x
  3. Step 3: Cross multiply
    187,052.33x = 280,690.28 × 68,735.63
  4. Step 4: Simplify right side
    187,052.33x = 19,293,422,887.00
  5. Step 5: Solve for x
    x = 19,293,422,887.00/187,052.33
  6. Step 6: Final answer
    x = 103,144.52

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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.