Home / 263,157.96-363,160.04-145,288.55

Finding the Fourth Proportional to 263,157.96, 363,160.04 and 145,288.55

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Solution

The fourth proportional to 263,157.96, 363,160.04 and 145,288.55 is: 200,499.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,157.96 : 363,160.04 = 145,288.55 : x
  2. Step 2: Convert to fraction form
    263,157.96/363,160.04 = 145,288.55/x
  3. Step 3: Cross multiply
    263,157.96x = 363,160.04 × 145,288.55
  4. Step 4: Simplify right side
    263,157.96x = 52,762,993,087.30
  5. Step 5: Solve for x
    x = 52,762,993,087.30/263,157.96
  6. Step 6: Final answer
    x = 200,499.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.