Home / 171,493.20-257,249.52-53,181.36

Finding the Fourth Proportional to 171,493.20, 257,249.52 and 53,181.36

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Solution

The fourth proportional to 171,493.20, 257,249.52 and 53,181.36 is: 79,775.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,493.20 : 257,249.52 = 53,181.36 : x
  2. Step 2: Convert to fraction form
    171,493.20/257,249.52 = 53,181.36/x
  3. Step 3: Cross multiply
    171,493.20x = 257,249.52 × 53,181.36
  4. Step 4: Simplify right side
    171,493.20x = 13,680,879,332.95
  5. Step 5: Solve for x
    x = 13,680,879,332.95/171,493.20
  6. Step 6: Final answer
    x = 79,775.05

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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.