Home / 167,986.58-231,804.65-103,445.47

Finding the Fourth Proportional to 167,986.58, 231,804.65 and 103,445.47

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Solution

The fourth proportional to 167,986.58, 231,804.65 and 103,445.47 is: 142,744.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,986.58 : 231,804.65 = 103,445.47 : x
  2. Step 2: Convert to fraction form
    167,986.58/231,804.65 = 103,445.47/x
  3. Step 3: Cross multiply
    167,986.58x = 231,804.65 × 103,445.47
  4. Step 4: Simplify right side
    167,986.58x = 23,979,141,515.81
  5. Step 5: Solve for x
    x = 23,979,141,515.81/167,986.58
  6. Step 6: Final answer
    x = 142,744.39

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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.