Home / 171,416.02-257,289.87-82,731.95

Finding the Fourth Proportional to 171,416.02, 257,289.87 and 82,731.95

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Solution

The fourth proportional to 171,416.02, 257,289.87 and 82,731.95 is: 124,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,416.02 : 257,289.87 = 82,731.95 : x
  2. Step 2: Convert to fraction form
    171,416.02/257,289.87 = 82,731.95/x
  3. Step 3: Cross multiply
    171,416.02x = 257,289.87 × 82,731.95
  4. Step 4: Simplify right side
    171,416.02x = 21,286,092,660.35
  5. Step 5: Solve for x
    x = 21,286,092,660.35/171,416.02
  6. Step 6: Final answer
    x = 124,177.97

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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.