Home / 120,525.22-166,391.04-82,342.18

Finding the Fourth Proportional to 120,525.22, 166,391.04 and 82,342.18

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Solution

The fourth proportional to 120,525.22, 166,391.04 and 82,342.18 is: 113,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,525.22 : 166,391.04 = 82,342.18 : x
  2. Step 2: Convert to fraction form
    120,525.22/166,391.04 = 82,342.18/x
  3. Step 3: Cross multiply
    120,525.22x = 166,391.04 × 82,342.18
  4. Step 4: Simplify right side
    120,525.22x = 13,701,000,966.07
  5. Step 5: Solve for x
    x = 13,701,000,966.07/120,525.22
  6. Step 6: Final answer
    x = 113,677.46

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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.