Home / 187,996.68-259,421.94-103,100.04

Finding the Fourth Proportional to 187,996.68, 259,421.94 and 103,100.04

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Solution

The fourth proportional to 187,996.68, 259,421.94 and 103,100.04 is: 142,270.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,996.68 : 259,421.94 = 103,100.04 : x
  2. Step 2: Convert to fraction form
    187,996.68/259,421.94 = 103,100.04/x
  3. Step 3: Cross multiply
    187,996.68x = 259,421.94 × 103,100.04
  4. Step 4: Simplify right side
    187,996.68x = 26,746,412,390.88
  5. Step 5: Solve for x
    x = 26,746,412,390.88/187,996.68
  6. Step 6: Final answer
    x = 142,270.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.