Home / 167,615.57-231,317.80-103,973.87

Finding the Fourth Proportional to 167,615.57, 231,317.80 and 103,973.87

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Solution

The fourth proportional to 167,615.57, 231,317.80 and 103,973.87 is: 143,489.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,615.57 : 231,317.80 = 103,973.87 : x
  2. Step 2: Convert to fraction form
    167,615.57/231,317.80 = 103,973.87/x
  3. Step 3: Cross multiply
    167,615.57x = 231,317.80 × 103,973.87
  4. Step 4: Simplify right side
    167,615.57x = 24,051,006,865.89
  5. Step 5: Solve for x
    x = 24,051,006,865.89/167,615.57
  6. Step 6: Final answer
    x = 143,489.10

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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.