Home / 169,426.28-254,155.14-120,942.56

Finding the Fourth Proportional to 169,426.28, 254,155.14 and 120,942.56

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Solution

The fourth proportional to 169,426.28, 254,155.14 and 120,942.56 is: 181,425.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,426.28 : 254,155.14 = 120,942.56 : x
  2. Step 2: Convert to fraction form
    169,426.28/254,155.14 = 120,942.56/x
  3. Step 3: Cross multiply
    169,426.28x = 254,155.14 × 120,942.56
  4. Step 4: Simplify right side
    169,426.28x = 30,738,173,268.76
  5. Step 5: Solve for x
    x = 30,738,173,268.76/169,426.28
  6. Step 6: Final answer
    x = 181,425.06

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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.