Home / 171,605.12-257,414.52-53,273.84

Finding the Fourth Proportional to 171,605.12, 257,414.52 and 53,273.84

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Solution

The fourth proportional to 171,605.12, 257,414.52 and 53,273.84 is: 79,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,605.12 : 257,414.52 = 53,273.84 : x
  2. Step 2: Convert to fraction form
    171,605.12/257,414.52 = 53,273.84/x
  3. Step 3: Cross multiply
    171,605.12x = 257,414.52 × 53,273.84
  4. Step 4: Simplify right side
    171,605.12x = 13,713,459,952.16
  5. Step 5: Solve for x
    x = 13,713,459,952.16/171,605.12
  6. Step 6: Final answer
    x = 79,912.88

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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.