Home / 169,204.14-253,218.69-105,135.98

Finding the Fourth Proportional to 169,204.14, 253,218.69 and 105,135.98

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Solution

The fourth proportional to 169,204.14, 253,218.69 and 105,135.98 is: 157,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,204.14 : 253,218.69 = 105,135.98 : x
  2. Step 2: Convert to fraction form
    169,204.14/253,218.69 = 105,135.98/x
  3. Step 3: Cross multiply
    169,204.14x = 253,218.69 × 105,135.98
  4. Step 4: Simplify right side
    169,204.14x = 26,622,393,861.37
  5. Step 5: Solve for x
    x = 26,622,393,861.37/169,204.14
  6. Step 6: Final answer
    x = 157,338.90

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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.