Home / 121,363.28-167,433.16-73,599.20

Finding the Fourth Proportional to 121,363.28, 167,433.16 and 73,599.20

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Solution

The fourth proportional to 121,363.28, 167,433.16 and 73,599.20 is: 101,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,363.28 : 167,433.16 = 73,599.20 : x
  2. Step 2: Convert to fraction form
    121,363.28/167,433.16 = 73,599.20/x
  3. Step 3: Cross multiply
    121,363.28x = 167,433.16 × 73,599.20
  4. Step 4: Simplify right side
    121,363.28x = 12,322,946,629.47
  5. Step 5: Solve for x
    x = 12,322,946,629.47/121,363.28
  6. Step 6: Final answer
    x = 101,537.69

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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.