Home / 254,173.80-381,196.56-104,455.42

Finding the Fourth Proportional to 254,173.80, 381,196.56 and 104,455.42

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Solution

The fourth proportional to 254,173.80, 381,196.56 and 104,455.42 is: 156,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,173.80 : 381,196.56 = 104,455.42 : x
  2. Step 2: Convert to fraction form
    254,173.80/381,196.56 = 104,455.42/x
  3. Step 3: Cross multiply
    254,173.80x = 381,196.56 × 104,455.42
  4. Step 4: Simplify right side
    254,173.80x = 39,818,046,777.36
  5. Step 5: Solve for x
    x = 39,818,046,777.36/254,173.80
  6. Step 6: Final answer
    x = 156,656.77

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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.