Home / 121,179.72-167,230.86-67,468.35

Finding the Fourth Proportional to 121,179.72, 167,230.86 and 67,468.35

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Solution

The fourth proportional to 121,179.72, 167,230.86 and 67,468.35 is: 93,107.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,179.72 : 167,230.86 = 67,468.35 : x
  2. Step 2: Convert to fraction form
    121,179.72/167,230.86 = 67,468.35/x
  3. Step 3: Cross multiply
    121,179.72x = 167,230.86 × 67,468.35
  4. Step 4: Simplify right side
    121,179.72x = 11,282,790,193.28
  5. Step 5: Solve for x
    x = 11,282,790,193.28/121,179.72
  6. Step 6: Final answer
    x = 93,107.91

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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.