Home / 169,124.21-253,707.16-55,269.31

Finding the Fourth Proportional to 169,124.21, 253,707.16 and 55,269.31

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Solution

The fourth proportional to 169,124.21, 253,707.16 and 55,269.31 is: 82,910.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,124.21 : 253,707.16 = 55,269.31 : x
  2. Step 2: Convert to fraction form
    169,124.21/253,707.16 = 55,269.31/x
  3. Step 3: Cross multiply
    169,124.21x = 253,707.16 × 55,269.31
  4. Step 4: Simplify right side
    169,124.21x = 14,022,219,675.26
  5. Step 5: Solve for x
    x = 14,022,219,675.26/169,124.21
  6. Step 6: Final answer
    x = 82,910.78

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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.