Home / 260,336.35-390,564.60-110,581.48

Finding the Fourth Proportional to 260,336.35, 390,564.60 and 110,581.48

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Solution

The fourth proportional to 260,336.35, 390,564.60 and 110,581.48 is: 165,897.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,336.35 : 390,564.60 = 110,581.48 : x
  2. Step 2: Convert to fraction form
    260,336.35/390,564.60 = 110,581.48/x
  3. Step 3: Cross multiply
    260,336.35x = 390,564.60 × 110,581.48
  4. Step 4: Simplify right side
    260,336.35x = 43,189,211,503.61
  5. Step 5: Solve for x
    x = 43,189,211,503.61/260,336.35
  6. Step 6: Final answer
    x = 165,897.74

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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.