Home / 121,232.42-167,288.75-67,522.43

Finding the Fourth Proportional to 121,232.42, 167,288.75 and 67,522.43

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Solution

The fourth proportional to 121,232.42, 167,288.75 and 67,522.43 is: 93,174.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,232.42 : 167,288.75 = 67,522.43 : x
  2. Step 2: Convert to fraction form
    121,232.42/167,288.75 = 67,522.43/x
  3. Step 3: Cross multiply
    121,232.42x = 167,288.75 × 67,522.43
  4. Step 4: Simplify right side
    121,232.42x = 11,295,742,911.66
  5. Step 5: Solve for x
    x = 11,295,742,911.66/121,232.42
  6. Step 6: Final answer
    x = 93,174.28

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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.