Home / 263,628.89-363,805.94-142,767.37

Finding the Fourth Proportional to 263,628.89, 363,805.94 and 142,767.37

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Solution

The fourth proportional to 263,628.89, 363,805.94 and 142,767.37 is: 197,017.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,628.89 : 363,805.94 = 142,767.37 : x
  2. Step 2: Convert to fraction form
    263,628.89/363,805.94 = 142,767.37/x
  3. Step 3: Cross multiply
    263,628.89x = 363,805.94 × 142,767.37
  4. Step 4: Simplify right side
    263,628.89x = 51,939,617,654.32
  5. Step 5: Solve for x
    x = 51,939,617,654.32/263,628.89
  6. Step 6: Final answer
    x = 197,017.93

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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.