Home / 254,971.28-382,481.72-92,909.36

Finding the Fourth Proportional to 254,971.28, 382,481.72 and 92,909.36

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Solution

The fourth proportional to 254,971.28, 382,481.72 and 92,909.36 is: 139,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,971.28 : 382,481.72 = 92,909.36 : x
  2. Step 2: Convert to fraction form
    254,971.28/382,481.72 = 92,909.36/x
  3. Step 3: Cross multiply
    254,971.28x = 382,481.72 × 92,909.36
  4. Step 4: Simplify right side
    254,971.28x = 35,536,131,816.90
  5. Step 5: Solve for x
    x = 35,536,131,816.90/254,971.28
  6. Step 6: Final answer
    x = 139,373.08

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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.