Home / 385,149.42-531,496.26-213,062.94

Finding the Fourth Proportional to 385,149.42, 531,496.26 and 213,062.94

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Solution

The fourth proportional to 385,149.42, 531,496.26 and 213,062.94 is: 294,021.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,149.42 : 531,496.26 = 213,062.94 : x
  2. Step 2: Convert to fraction form
    385,149.42/531,496.26 = 213,062.94/x
  3. Step 3: Cross multiply
    385,149.42x = 531,496.26 × 213,062.94
  4. Step 4: Simplify right side
    385,149.42x = 113,242,155,754.60
  5. Step 5: Solve for x
    x = 113,242,155,754.60/385,149.42
  6. Step 6: Final answer
    x = 294,021.36

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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.