Home / 385,054.26-531,161.58-223,891.50

Finding the Fourth Proportional to 385,054.26, 531,161.58 and 223,891.50

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Solution

The fourth proportional to 385,054.26, 531,161.58 and 223,891.50 is: 308,846.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,054.26 : 531,161.58 = 223,891.50 : x
  2. Step 2: Convert to fraction form
    385,054.26/531,161.58 = 223,891.50/x
  3. Step 3: Cross multiply
    385,054.26x = 531,161.58 × 223,891.50
  4. Step 4: Simplify right side
    385,054.26x = 118,922,562,888.57
  5. Step 5: Solve for x
    x = 118,922,562,888.57/385,054.26
  6. Step 6: Final answer
    x = 308,846.25

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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.