Home / 260,579.76-391,228.37-132,582.55

Finding the Fourth Proportional to 260,579.76, 391,228.37 and 132,582.55

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Solution

The fourth proportional to 260,579.76, 391,228.37 and 132,582.55 is: 199,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,579.76 : 391,228.37 = 132,582.55 : x
  2. Step 2: Convert to fraction form
    260,579.76/391,228.37 = 132,582.55/x
  3. Step 3: Cross multiply
    260,579.76x = 391,228.37 × 132,582.55
  4. Step 4: Simplify right side
    260,579.76x = 51,870,054,926.94
  5. Step 5: Solve for x
    x = 51,870,054,926.94/260,579.76
  6. Step 6: Final answer
    x = 199,056.35

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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.