Home / 254,911.90-351,852.36-158,145.25

Finding the Fourth Proportional to 254,911.90, 351,852.36 and 158,145.25

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Solution

The fourth proportional to 254,911.90, 351,852.36 and 158,145.25 is: 218,286.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,911.90 : 351,852.36 = 158,145.25 : x
  2. Step 2: Convert to fraction form
    254,911.90/351,852.36 = 158,145.25/x
  3. Step 3: Cross multiply
    254,911.90x = 351,852.36 × 158,145.25
  4. Step 4: Simplify right side
    254,911.90x = 55,643,777,676.03
  5. Step 5: Solve for x
    x = 55,643,777,676.03/254,911.90
  6. Step 6: Final answer
    x = 218,286.31

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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.