Home / 193,088.30-266,447.31-108,188.96

Finding the Fourth Proportional to 193,088.30, 266,447.31 and 108,188.96

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Solution

The fourth proportional to 193,088.30, 266,447.31 and 108,188.96 is: 149,292.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,088.30 : 266,447.31 = 108,188.96 : x
  2. Step 2: Convert to fraction form
    193,088.30/266,447.31 = 108,188.96/x
  3. Step 3: Cross multiply
    193,088.30x = 266,447.31 × 108,188.96
  4. Step 4: Simplify right side
    193,088.30x = 28,826,657,363.70
  5. Step 5: Solve for x
    x = 28,826,657,363.70/193,088.30
  6. Step 6: Final answer
    x = 149,292.62

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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.