Home / 269,056.12-403,637.36-79,519.88

Finding the Fourth Proportional to 269,056.12, 403,637.36 and 79,519.88

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Solution

The fourth proportional to 269,056.12, 403,637.36 and 79,519.88 is: 119,295.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,056.12 : 403,637.36 = 79,519.88 : x
  2. Step 2: Convert to fraction form
    269,056.12/403,637.36 = 79,519.88/x
  3. Step 3: Cross multiply
    269,056.12x = 403,637.36 × 79,519.88
  4. Step 4: Simplify right side
    269,056.12x = 32,097,194,430.72
  5. Step 5: Solve for x
    x = 32,097,194,430.72/269,056.12
  6. Step 6: Final answer
    x = 119,295.54

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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.