Home / 167,630.08-231,438.72-104,061.28

Finding the Fourth Proportional to 167,630.08, 231,438.72 and 104,061.28

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Solution

The fourth proportional to 167,630.08, 231,438.72 and 104,061.28 is: 143,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,630.08 : 231,438.72 = 104,061.28 : x
  2. Step 2: Convert to fraction form
    167,630.08/231,438.72 = 104,061.28/x
  3. Step 3: Cross multiply
    167,630.08x = 231,438.72 × 104,061.28
  4. Step 4: Simplify right side
    167,630.08x = 24,083,809,444.76
  5. Step 5: Solve for x
    x = 24,083,809,444.76/167,630.08
  6. Step 6: Final answer
    x = 143,672.36

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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.