Home / 263,529.36-363,668.00-142,667.55

Finding the Fourth Proportional to 263,529.36, 363,668.00 and 142,667.55

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Solution

The fourth proportional to 263,529.36, 363,668.00 and 142,667.55 is: 196,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,529.36 : 363,668.00 = 142,667.55 : x
  2. Step 2: Convert to fraction form
    263,529.36/363,668.00 = 142,667.55/x
  3. Step 3: Cross multiply
    263,529.36x = 363,668.00 × 142,667.55
  4. Step 4: Simplify right side
    263,529.36x = 51,883,621,860.06
  5. Step 5: Solve for x
    x = 51,883,621,860.06/263,529.36
  6. Step 6: Final answer
    x = 196,879.85

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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.