Home / 193,004.51-289,186.64-136,564.85

Finding the Fourth Proportional to 193,004.51, 289,186.64 and 136,564.85

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Solution

The fourth proportional to 193,004.51, 289,186.64 and 136,564.85 is: 204,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,004.51 : 289,186.64 = 136,564.85 : x
  2. Step 2: Convert to fraction form
    193,004.51/289,186.64 = 136,564.85/x
  3. Step 3: Cross multiply
    193,004.51x = 289,186.64 × 136,564.85
  4. Step 4: Simplify right side
    193,004.51x = 39,492,730,665.86
  5. Step 5: Solve for x
    x = 39,492,730,665.86/193,004.51
  6. Step 6: Final answer
    x = 204,620.77

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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.