Home / 254,912.90-351,853.74-158,146.25

Finding the Fourth Proportional to 254,912.90, 351,853.74 and 158,146.25

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Solution

The fourth proportional to 254,912.90, 351,853.74 and 158,146.25 is: 218,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,912.90 : 351,853.74 = 158,146.25 : x
  2. Step 2: Convert to fraction form
    254,912.90/351,853.74 = 158,146.25/x
  3. Step 3: Cross multiply
    254,912.90x = 351,853.74 × 158,146.25
  4. Step 4: Simplify right side
    254,912.90x = 55,644,349,529.48
  5. Step 5: Solve for x
    x = 55,644,349,529.48/254,912.90
  6. Step 6: Final answer
    x = 218,287.70

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1.5x scale

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.