Home / 120,411.66-166,166.22-65,963.37

Finding the Fourth Proportional to 120,411.66, 166,166.22 and 65,963.37

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Solution

The fourth proportional to 120,411.66, 166,166.22 and 65,963.37 is: 91,028.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,411.66 : 166,166.22 = 65,963.37 : x
  2. Step 2: Convert to fraction form
    120,411.66/166,166.22 = 65,963.37/x
  3. Step 3: Cross multiply
    120,411.66x = 166,166.22 × 65,963.37
  4. Step 4: Simplify right side
    120,411.66x = 10,960,883,851.36
  5. Step 5: Solve for x
    x = 10,960,883,851.36/120,411.66
  6. Step 6: Final answer
    x = 91,028.43

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1.5x scale

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.