Home / 263,290.16-363,339.33-142,431.16

Finding the Fourth Proportional to 263,290.16, 363,339.33 and 142,431.16

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Solution

The fourth proportional to 263,290.16, 363,339.33 and 142,431.16 is: 196,554.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,290.16 : 363,339.33 = 142,431.16 : x
  2. Step 2: Convert to fraction form
    263,290.16/363,339.33 = 142,431.16/x
  3. Step 3: Cross multiply
    263,290.16x = 363,339.33 × 142,431.16
  4. Step 4: Simplify right side
    263,290.16x = 51,750,842,245.52
  5. Step 5: Solve for x
    x = 51,750,842,245.52/263,290.16
  6. Step 6: Final answer
    x = 196,554.41

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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.