Home / 167,454.72-231,030.36-103,769.28

Finding the Fourth Proportional to 167,454.72, 231,030.36 and 103,769.28

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Solution

The fourth proportional to 167,454.72, 231,030.36 and 103,769.28 is: 143,166.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,454.72 : 231,030.36 = 103,769.28 : x
  2. Step 2: Convert to fraction form
    167,454.72/231,030.36 = 103,769.28/x
  3. Step 3: Cross multiply
    167,454.72x = 231,030.36 × 103,769.28
  4. Step 4: Simplify right side
    167,454.72x = 23,973,854,115.34
  5. Step 5: Solve for x
    x = 23,973,854,115.34/167,454.72
  6. Step 6: Final answer
    x = 143,166.19

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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.