Home / 260,845.40-391,352.08-118,741.52

Finding the Fourth Proportional to 260,845.40, 391,352.08 and 118,741.52

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Solution

The fourth proportional to 260,845.40, 391,352.08 and 118,741.52 is: 178,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,845.40 : 391,352.08 = 118,741.52 : x
  2. Step 2: Convert to fraction form
    260,845.40/391,352.08 = 118,741.52/x
  3. Step 3: Cross multiply
    260,845.40x = 391,352.08 × 118,741.52
  4. Step 4: Simplify right side
    260,845.40x = 46,469,740,834.36
  5. Step 5: Solve for x
    x = 46,469,740,834.36/260,845.40
  6. Step 6: Final answer
    x = 178,150.51

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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.