Home / 254,912.40-351,853.05-158,145.75

Finding the Fourth Proportional to 254,912.40, 351,853.05 and 158,145.75

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Solution

The fourth proportional to 254,912.40, 351,853.05 and 158,145.75 is: 218,287.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,912.40 : 351,853.05 = 158,145.75 : x
  2. Step 2: Convert to fraction form
    254,912.40/351,853.05 = 158,145.75/x
  3. Step 3: Cross multiply
    254,912.40x = 351,853.05 × 158,145.75
  4. Step 4: Simplify right side
    254,912.40x = 55,644,062,722.77
  5. Step 5: Solve for x
    x = 55,644,062,722.77/254,912.40
  6. Step 6: Final answer
    x = 218,287.00

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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.