Home / 189,241.07-283,907.19-70,913.43

Finding the Fourth Proportional to 189,241.07, 283,907.19 and 70,913.43

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Solution

The fourth proportional to 189,241.07, 283,907.19 and 70,913.43 is: 106,387.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,241.07 : 283,907.19 = 70,913.43 : x
  2. Step 2: Convert to fraction form
    189,241.07/283,907.19 = 70,913.43/x
  3. Step 3: Cross multiply
    189,241.07x = 283,907.19 × 70,913.43
  4. Step 4: Simplify right side
    189,241.07x = 20,132,832,644.56
  5. Step 5: Solve for x
    x = 20,132,832,644.56/189,241.07
  6. Step 6: Final answer
    x = 106,387.23

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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.