Home / 193,022.76-289,526.58-80,673.96

Finding the Fourth Proportional to 193,022.76, 289,526.58 and 80,673.96

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Solution

The fourth proportional to 193,022.76, 289,526.58 and 80,673.96 is: 121,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,022.76 : 289,526.58 = 80,673.96 : x
  2. Step 2: Convert to fraction form
    193,022.76/289,526.58 = 80,673.96/x
  3. Step 3: Cross multiply
    193,022.76x = 289,526.58 × 80,673.96
  4. Step 4: Simplify right side
    193,022.76x = 23,357,255,733.86
  5. Step 5: Solve for x
    x = 23,357,255,733.86/193,022.76
  6. Step 6: Final answer
    x = 121,007.78

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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.