Home / 171,505.22-257,282.73-53,186.09

Finding the Fourth Proportional to 171,505.22, 257,282.73 and 53,186.09

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Solution

The fourth proportional to 171,505.22, 257,282.73 and 53,186.09 is: 79,786.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,505.22 : 257,282.73 = 53,186.09 : x
  2. Step 2: Convert to fraction form
    171,505.22/257,282.73 = 53,186.09/x
  3. Step 3: Cross multiply
    171,505.22x = 257,282.73 × 53,186.09
  4. Step 4: Simplify right side
    171,505.22x = 13,683,861,146.81
  5. Step 5: Solve for x
    x = 13,683,861,146.81/171,505.22
  6. Step 6: Final answer
    x = 79,786.85

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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.