Home / 412,296.96-618,464.08-112,770.84

Finding the Fourth Proportional to 412,296.96, 618,464.08 and 112,770.84

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Solution

The fourth proportional to 412,296.96, 618,464.08 and 112,770.84 is: 169,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,296.96 : 618,464.08 = 112,770.84 : x
  2. Step 2: Convert to fraction form
    412,296.96/618,464.08 = 112,770.84/x
  3. Step 3: Cross multiply
    412,296.96x = 618,464.08 × 112,770.84
  4. Step 4: Simplify right side
    412,296.96x = 69,744,713,811.43
  5. Step 5: Solve for x
    x = 69,744,713,811.43/412,296.96
  6. Step 6: Final answer
    x = 169,161.36

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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.