Home / 205,576.15-308,385.37-77,600.23

Finding the Fourth Proportional to 205,576.15, 308,385.37 and 77,600.23

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Solution

The fourth proportional to 205,576.15, 308,385.37 and 77,600.23 is: 116,408.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,576.15 : 308,385.37 = 77,600.23 : x
  2. Step 2: Convert to fraction form
    205,576.15/308,385.37 = 77,600.23/x
  3. Step 3: Cross multiply
    205,576.15x = 308,385.37 × 77,600.23
  4. Step 4: Simplify right side
    205,576.15x = 23,930,774,675.67
  5. Step 5: Solve for x
    x = 23,930,774,675.67/205,576.15
  6. Step 6: Final answer
    x = 116,408.32

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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.