Home / 263,219.90-363,242.31-142,361.33

Finding the Fourth Proportional to 263,219.90, 363,242.31 and 142,361.33

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Solution

The fourth proportional to 263,219.90, 363,242.31 and 142,361.33 is: 196,458.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,219.90 : 363,242.31 = 142,361.33 : x
  2. Step 2: Convert to fraction form
    263,219.90/363,242.31 = 142,361.33/x
  3. Step 3: Cross multiply
    263,219.90x = 363,242.31 × 142,361.33
  4. Step 4: Simplify right side
    263,219.90x = 51,711,658,363.87
  5. Step 5: Solve for x
    x = 51,711,658,363.87/263,219.90
  6. Step 6: Final answer
    x = 196,458.01

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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.