Home / 412,340.55-618,527.16-196,147.35

Finding the Fourth Proportional to 412,340.55, 618,527.16 and 196,147.35

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Solution

The fourth proportional to 412,340.55, 618,527.16 and 196,147.35 is: 294,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,340.55 : 618,527.16 = 196,147.35 : x
  2. Step 2: Convert to fraction form
    412,340.55/618,527.16 = 196,147.35/x
  3. Step 3: Cross multiply
    412,340.55x = 618,527.16 × 196,147.35
  4. Step 4: Simplify right side
    412,340.55x = 121,322,463,337.03
  5. Step 5: Solve for x
    x = 121,322,463,337.03/412,340.55
  6. Step 6: Final answer
    x = 294,228.80

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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.