Home / 187,004.24-280,496.80-68,666.48

Finding the Fourth Proportional to 187,004.24, 280,496.80 and 68,666.48

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Solution

The fourth proportional to 187,004.24, 280,496.80 and 68,666.48 is: 102,996.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,004.24 : 280,496.80 = 68,666.48 : x
  2. Step 2: Convert to fraction form
    187,004.24/280,496.80 = 68,666.48/x
  3. Step 3: Cross multiply
    187,004.24x = 280,496.80 × 68,666.48
  4. Step 4: Simplify right side
    187,004.24x = 19,260,727,907.26
  5. Step 5: Solve for x
    x = 19,260,727,907.26/187,004.24
  6. Step 6: Final answer
    x = 102,996.21

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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.