Home / 260,993.13-391,091.17-186,270.63

Finding the Fourth Proportional to 260,993.13, 391,091.17 and 186,270.63

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Solution

The fourth proportional to 260,993.13, 391,091.17 and 186,270.63 is: 279,121.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,993.13 : 391,091.17 = 186,270.63 : x
  2. Step 2: Convert to fraction form
    260,993.13/391,091.17 = 186,270.63/x
  3. Step 3: Cross multiply
    260,993.13x = 391,091.17 × 186,270.63
  4. Step 4: Simplify right side
    260,993.13x = 72,848,798,623.34
  5. Step 5: Solve for x
    x = 72,848,798,623.34/260,993.13
  6. Step 6: Final answer
    x = 279,121.52

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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.