Home / 171,932.87-257,563.82-112,588.63

Finding the Fourth Proportional to 171,932.87, 257,563.82 and 112,588.63

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Solution

The fourth proportional to 171,932.87, 257,563.82 and 112,588.63 is: 168,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,932.87 : 257,563.82 = 112,588.63 : x
  2. Step 2: Convert to fraction form
    171,932.87/257,563.82 = 112,588.63/x
  3. Step 3: Cross multiply
    171,932.87x = 257,563.82 × 112,588.63
  4. Step 4: Simplify right side
    171,932.87x = 28,998,756,997.82
  5. Step 5: Solve for x
    x = 28,998,756,997.82/171,932.87
  6. Step 6: Final answer
    x = 168,663.25

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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.