Home / 193,088.55-266,447.66-108,189.21

Finding the Fourth Proportional to 193,088.55, 266,447.66 and 108,189.21

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Solution

The fourth proportional to 193,088.55, 266,447.66 and 108,189.21 is: 149,292.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088.55 : 266,447.66 = 108,189.21 : x
  2. Step 2: Convert to fraction form
    193,088.55/266,447.66 = 108,189.21/x
  3. Step 3: Cross multiply
    193,088.55x = 266,447.66 × 108,189.21
  4. Step 4: Simplify right side
    193,088.55x = 28,826,761,300.80
  5. Step 5: Solve for x
    x = 28,826,761,300.80/193,088.55
  6. Step 6: Final answer
    x = 149,292.96

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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.