Home / 260,584.92-390,870.09-110,750.04

Finding the Fourth Proportional to 260,584.92, 390,870.09 and 110,750.04

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Solution

The fourth proportional to 260,584.92, 390,870.09 and 110,750.04 is: 166,121.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,584.92 : 390,870.09 = 110,750.04 : x
  2. Step 2: Convert to fraction form
    260,584.92/390,870.09 = 110,750.04/x
  3. Step 3: Cross multiply
    260,584.92x = 390,870.09 × 110,750.04
  4. Step 4: Simplify right side
    260,584.92x = 43,288,878,102.30
  5. Step 5: Solve for x
    x = 43,288,878,102.30/260,584.92
  6. Step 6: Final answer
    x = 166,121.96

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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.