Home / 260,888.05-391,172.14-111,043.02

Finding the Fourth Proportional to 260,888.05, 391,172.14 and 111,043.02

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Solution

The fourth proportional to 260,888.05, 391,172.14 and 111,043.02 is: 166,496.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,888.05 : 391,172.14 = 111,043.02 : x
  2. Step 2: Convert to fraction form
    260,888.05/391,172.14 = 111,043.02/x
  3. Step 3: Cross multiply
    260,888.05x = 391,172.14 × 111,043.02
  4. Step 4: Simplify right side
    260,888.05x = 43,436,935,765.46
  5. Step 5: Solve for x
    x = 43,436,935,765.46/260,888.05
  6. Step 6: Final answer
    x = 166,496.46

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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.