Home / 263,415.07-363,513.93-142,556.37

Finding the Fourth Proportional to 263,415.07, 363,513.93 and 142,556.37

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Solution

The fourth proportional to 263,415.07, 363,513.93 and 142,556.37 is: 196,728.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,415.07 : 363,513.93 = 142,556.37 : x
  2. Step 2: Convert to fraction form
    263,415.07/363,513.93 = 142,556.37/x
  3. Step 3: Cross multiply
    263,415.07x = 363,513.93 × 142,556.37
  4. Step 4: Simplify right side
    263,415.07x = 51,821,226,305.23
  5. Step 5: Solve for x
    x = 51,821,226,305.23/263,415.07
  6. Step 6: Final answer
    x = 196,728.40

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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.