Home / 171,739.44-257,683.32-92,909.20

Finding the Fourth Proportional to 171,739.44, 257,683.32 and 92,909.20

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Solution

The fourth proportional to 171,739.44, 257,683.32 and 92,909.20 is: 139,403.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,739.44 : 257,683.32 = 92,909.20 : x
  2. Step 2: Convert to fraction form
    171,739.44/257,683.32 = 92,909.20/x
  3. Step 3: Cross multiply
    171,739.44x = 257,683.32 × 92,909.20
  4. Step 4: Simplify right side
    171,739.44x = 23,941,151,114.54
  5. Step 5: Solve for x
    x = 23,941,151,114.54/171,739.44
  6. Step 6: Final answer
    x = 139,403.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.