Home / 133,047.26-199,464.87-76,823.59

Finding the Fourth Proportional to 133,047.26, 199,464.87 and 76,823.59

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Solution

The fourth proportional to 133,047.26, 199,464.87 and 76,823.59 is: 115,174.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,047.26 : 199,464.87 = 76,823.59 : x
  2. Step 2: Convert to fraction form
    133,047.26/199,464.87 = 76,823.59/x
  3. Step 3: Cross multiply
    133,047.26x = 199,464.87 × 76,823.59
  4. Step 4: Simplify right side
    133,047.26x = 15,323,606,394.96
  5. Step 5: Solve for x
    x = 15,323,606,394.96/133,047.26
  6. Step 6: Final answer
    x = 115,174.16

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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.