Home / 257,684.14-355,481.40-171,683.02

Finding the Fourth Proportional to 257,684.14, 355,481.40 and 171,683.02

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Solution

The fourth proportional to 257,684.14, 355,481.40 and 171,683.02 is: 236,840.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,684.14 : 355,481.40 = 171,683.02 : x
  2. Step 2: Convert to fraction form
    257,684.14/355,481.40 = 171,683.02/x
  3. Step 3: Cross multiply
    257,684.14x = 355,481.40 × 171,683.02
  4. Step 4: Simplify right side
    257,684.14x = 61,030,120,305.83
  5. Step 5: Solve for x
    x = 61,030,120,305.83/257,684.14
  6. Step 6: Final answer
    x = 236,840.81

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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.