Home / 260,375.42-390,615.36-110,614.52

Finding the Fourth Proportional to 260,375.42, 390,615.36 and 110,614.52

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Solution

The fourth proportional to 260,375.42, 390,615.36 and 110,614.52 is: 165,943.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,375.42 : 390,615.36 = 110,614.52 : x
  2. Step 2: Convert to fraction form
    260,375.42/390,615.36 = 110,614.52/x
  3. Step 3: Cross multiply
    260,375.42x = 390,615.36 × 110,614.52
  4. Step 4: Simplify right side
    260,375.42x = 43,207,730,551.03
  5. Step 5: Solve for x
    x = 43,207,730,551.03/260,375.42
  6. Step 6: Final answer
    x = 165,943.97

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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.