Home / 169,722.28-254,195.88-81,038.04

Finding the Fourth Proportional to 169,722.28, 254,195.88 and 81,038.04

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Solution

The fourth proportional to 169,722.28, 254,195.88 and 81,038.04 is: 121,372.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,722.28 : 254,195.88 = 81,038.04 : x
  2. Step 2: Convert to fraction form
    169,722.28/254,195.88 = 81,038.04/x
  3. Step 3: Cross multiply
    169,722.28x = 254,195.88 × 81,038.04
  4. Step 4: Simplify right side
    169,722.28x = 20,599,535,891.28
  5. Step 5: Solve for x
    x = 20,599,535,891.28/169,722.28
  6. Step 6: Final answer
    x = 121,372.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.