Home / 263,289.39-363,338.25-142,430.37

Finding the Fourth Proportional to 263,289.39, 363,338.25 and 142,430.37

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Solution

The fourth proportional to 263,289.39, 363,338.25 and 142,430.37 is: 196,553.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,289.39 : 363,338.25 = 142,430.37 : x
  2. Step 2: Convert to fraction form
    263,289.39/363,338.25 = 142,430.37/x
  3. Step 3: Cross multiply
    263,289.39x = 363,338.25 × 142,430.37
  4. Step 4: Simplify right side
    263,289.39x = 51,750,401,382.65
  5. Step 5: Solve for x
    x = 51,750,401,382.65/263,289.39
  6. Step 6: Final answer
    x = 196,553.31

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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.