Home / 279,254.55-418,723.14-190,615.35

Finding the Fourth Proportional to 279,254.55, 418,723.14 and 190,615.35

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Solution

The fourth proportional to 279,254.55, 418,723.14 and 190,615.35 is: 285,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,254.55 : 418,723.14 = 190,615.35 : x
  2. Step 2: Convert to fraction form
    279,254.55/418,723.14 = 190,615.35/x
  3. Step 3: Cross multiply
    279,254.55x = 418,723.14 × 190,615.35
  4. Step 4: Simplify right side
    279,254.55x = 79,815,057,884.20
  5. Step 5: Solve for x
    x = 79,815,057,884.20/279,254.55
  6. Step 6: Final answer
    x = 285,814.71

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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.