Home / 121,109.57-167,125.00-92,449.28

Finding the Fourth Proportional to 121,109.57, 167,125.00 and 92,449.28

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Solution

The fourth proportional to 121,109.57, 167,125.00 and 92,449.28 is: 127,575.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,109.57 : 167,125.00 = 92,449.28 : x
  2. Step 2: Convert to fraction form
    121,109.57/167,125.00 = 92,449.28/x
  3. Step 3: Cross multiply
    121,109.57x = 167,125.00 × 92,449.28
  4. Step 4: Simplify right side
    121,109.57x = 15,450,585,457.75
  5. Step 5: Solve for x
    x = 15,450,585,457.75/121,109.57
  6. Step 6: Final answer
    x = 127,575.26

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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.