Home / 389,234.26-537,051.75-236,268.64

Finding the Fourth Proportional to 389,234.26, 537,051.75 and 236,268.64

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Solution

The fourth proportional to 389,234.26, 537,051.75 and 236,268.64 is: 325,995.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,234.26 : 537,051.75 = 236,268.64 : x
  2. Step 2: Convert to fraction form
    389,234.26/537,051.75 = 236,268.64/x
  3. Step 3: Cross multiply
    389,234.26x = 537,051.75 × 236,268.64
  4. Step 4: Simplify right side
    389,234.26x = 126,888,486,367.43
  5. Step 5: Solve for x
    x = 126,888,486,367.43/389,234.26
  6. Step 6: Final answer
    x = 325,995.16

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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.