Home / 167,756.96-231,428.31-99,735.33

Finding the Fourth Proportional to 167,756.96, 231,428.31 and 99,735.33

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Solution

The fourth proportional to 167,756.96, 231,428.31 and 99,735.33 is: 137,589.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,756.96 : 231,428.31 = 99,735.33 : x
  2. Step 2: Convert to fraction form
    167,756.96/231,428.31 = 99,735.33/x
  3. Step 3: Cross multiply
    167,756.96x = 231,428.31 × 99,735.33
  4. Step 4: Simplify right side
    167,756.96x = 23,081,578,869.19
  5. Step 5: Solve for x
    x = 23,081,578,869.19/167,756.96
  6. Step 6: Final answer
    x = 137,589.40

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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.