Home / 189,326.13-284,004.82-136,265.06

Finding the Fourth Proportional to 189,326.13, 284,004.82 and 136,265.06

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Solution

The fourth proportional to 189,326.13, 284,004.82 and 136,265.06 is: 204,408.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,326.13 : 284,004.82 = 136,265.06 : x
  2. Step 2: Convert to fraction form
    189,326.13/284,004.82 = 136,265.06/x
  3. Step 3: Cross multiply
    189,326.13x = 284,004.82 × 136,265.06
  4. Step 4: Simplify right side
    189,326.13x = 38,699,934,717.93
  5. Step 5: Solve for x
    x = 38,699,934,717.93/189,326.13
  6. Step 6: Final answer
    x = 204,408.84

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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.