Home / 260,953.56-391,307.04-101,104.38

Finding the Fourth Proportional to 260,953.56, 391,307.04 and 101,104.38

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Solution

The fourth proportional to 260,953.56, 391,307.04 and 101,104.38 is: 151,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,953.56 : 391,307.04 = 101,104.38 : x
  2. Step 2: Convert to fraction form
    260,953.56/391,307.04 = 101,104.38/x
  3. Step 3: Cross multiply
    260,953.56x = 391,307.04 × 101,104.38
  4. Step 4: Simplify right side
    260,953.56x = 39,562,855,668.84
  5. Step 5: Solve for x
    x = 39,562,855,668.84/260,953.56
  6. Step 6: Final answer
    x = 151,608.80

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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.