Home / 263,541.78-363,687.14-142,683.05

Finding the Fourth Proportional to 263,541.78, 363,687.14 and 142,683.05

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Solution

The fourth proportional to 263,541.78, 363,687.14 and 142,683.05 is: 196,902.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,541.78 : 363,687.14 = 142,683.05 : x
  2. Step 2: Convert to fraction form
    263,541.78/363,687.14 = 142,683.05/x
  3. Step 3: Cross multiply
    263,541.78x = 363,687.14 × 142,683.05
  4. Step 4: Simplify right side
    263,541.78x = 51,891,987,849.13
  5. Step 5: Solve for x
    x = 51,891,987,849.13/263,541.78
  6. Step 6: Final answer
    x = 196,902.32

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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.