Home / 120,834.30-166,751.25-67,124.32

Finding the Fourth Proportional to 120,834.30, 166,751.25 and 67,124.32

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Solution

The fourth proportional to 120,834.30, 166,751.25 and 67,124.32 is: 92,631.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,834.30 : 166,751.25 = 67,124.32 : x
  2. Step 2: Convert to fraction form
    120,834.30/166,751.25 = 67,124.32/x
  3. Step 3: Cross multiply
    120,834.30x = 166,751.25 × 67,124.32
  4. Step 4: Simplify right side
    120,834.30x = 11,193,064,265.40
  5. Step 5: Solve for x
    x = 11,193,064,265.40/120,834.30
  6. Step 6: Final answer
    x = 92,631.51

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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.