Home / 163,974.39-245,996.15-53,157.75

Finding the Fourth Proportional to 163,974.39, 245,996.15 and 53,157.75

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Solution

The fourth proportional to 163,974.39, 245,996.15 and 53,157.75 is: 79,747.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,974.39 : 245,996.15 = 53,157.75 : x
  2. Step 2: Convert to fraction form
    163,974.39/245,996.15 = 53,157.75/x
  3. Step 3: Cross multiply
    163,974.39x = 245,996.15 × 53,157.75
  4. Step 4: Simplify right side
    163,974.39x = 13,076,601,576.87
  5. Step 5: Solve for x
    x = 13,076,601,576.87/163,974.39
  6. Step 6: Final answer
    x = 79,747.83

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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.