Home / 118,892.90-164,075.27-67,205.85

Finding the Fourth Proportional to 118,892.90, 164,075.27 and 67,205.85

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Solution

The fourth proportional to 118,892.90, 164,075.27 and 67,205.85 is: 92,745.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,892.90 : 164,075.27 = 67,205.85 : x
  2. Step 2: Convert to fraction form
    118,892.90/164,075.27 = 67,205.85/x
  3. Step 3: Cross multiply
    118,892.90x = 164,075.27 × 67,205.85
  4. Step 4: Simplify right side
    118,892.90x = 11,026,817,648.30
  5. Step 5: Solve for x
    x = 11,026,817,648.30/118,892.90
  6. Step 6: Final answer
    x = 92,745.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.