Home / 260,930.23-391,271.99-101,081.04

Finding the Fourth Proportional to 260,930.23, 391,271.99 and 101,081.04

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Solution

The fourth proportional to 260,930.23, 391,271.99 and 101,081.04 is: 151,573.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,930.23 : 391,271.99 = 101,081.04 : x
  2. Step 2: Convert to fraction form
    260,930.23/391,271.99 = 101,081.04/x
  3. Step 3: Cross multiply
    260,930.23x = 391,271.99 × 101,081.04
  4. Step 4: Simplify right side
    260,930.23x = 39,550,177,210.30
  5. Step 5: Solve for x
    x = 39,550,177,210.30/260,930.23
  6. Step 6: Final answer
    x = 151,573.76

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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.