Home / 263,368.38-363,451.01-142,512.03

Finding the Fourth Proportional to 263,368.38, 363,451.01 and 142,512.03

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Solution

The fourth proportional to 263,368.38, 363,451.01 and 142,512.03 is: 196,668.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,368.38 : 363,451.01 = 142,512.03 : x
  2. Step 2: Convert to fraction form
    263,368.38/363,451.01 = 142,512.03/x
  3. Step 3: Cross multiply
    263,368.38x = 363,451.01 × 142,512.03
  4. Step 4: Simplify right side
    263,368.38x = 51,796,141,240.65
  5. Step 5: Solve for x
    x = 51,796,141,240.65/263,368.38
  6. Step 6: Final answer
    x = 196,668.03

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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.