Home / 228,467.07-315,274.26-126,485.37

Finding the Fourth Proportional to 228,467.07, 315,274.26 and 126,485.37

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Solution

The fourth proportional to 228,467.07, 315,274.26 and 126,485.37 is: 174,544.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,467.07 : 315,274.26 = 126,485.37 : x
  2. Step 2: Convert to fraction form
    228,467.07/315,274.26 = 126,485.37/x
  3. Step 3: Cross multiply
    228,467.07x = 315,274.26 × 126,485.37
  4. Step 4: Simplify right side
    228,467.07x = 39,877,581,427.58
  5. Step 5: Solve for x
    x = 39,877,581,427.58/228,467.07
  6. Step 6: Final answer
    x = 174,544.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.