Home / 209,255.52-313,785-76,041.84

Finding the Fourth Proportional to 209,255.52, 313,785 and 76,041.84

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Solution

The fourth proportional to 209,255.52, 313,785 and 76,041.84 is: 114,027.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,255.52 : 313,785 = 76,041.84 : x
  2. Step 2: Convert to fraction form
    209,255.52/313,785 = 76,041.84/x
  3. Step 3: Cross multiply
    209,255.52x = 313,785 × 76,041.84
  4. Step 4: Simplify right side
    209,255.52x = 23,860,788,764.40
  5. Step 5: Solve for x
    x = 23,860,788,764.40/209,255.52
  6. Step 6: Final answer
    x = 114,027.05

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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.