Home / 193,110.85-266,478.27-108,211.51

Finding the Fourth Proportional to 193,110.85, 266,478.27 and 108,211.51

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Solution

The fourth proportional to 193,110.85, 266,478.27 and 108,211.51 is: 149,323.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,110.85 : 266,478.27 = 108,211.51 : x
  2. Step 2: Convert to fraction form
    193,110.85/266,478.27 = 108,211.51/x
  3. Step 3: Cross multiply
    193,110.85x = 266,478.27 × 108,211.51
  4. Step 4: Simplify right side
    193,110.85x = 28,836,014,646.50
  5. Step 5: Solve for x
    x = 28,836,014,646.50/193,110.85
  6. Step 6: Final answer
    x = 149,323.64

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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.