Home / 187,270.96-280,934.48-68,933.28

Finding the Fourth Proportional to 187,270.96, 280,934.48 and 68,933.28

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Solution

The fourth proportional to 187,270.96, 280,934.48 and 68,933.28 is: 103,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,270.96 : 280,934.48 = 68,933.28 : x
  2. Step 2: Convert to fraction form
    187,270.96/280,934.48 = 68,933.28/x
  3. Step 3: Cross multiply
    187,270.96x = 280,934.48 × 68,933.28
  4. Step 4: Simplify right side
    187,270.96x = 19,365,735,171.49
  5. Step 5: Solve for x
    x = 19,365,735,171.49/187,270.96
  6. Step 6: Final answer
    x = 103,410.24

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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.