Home / 120,986.32-166,961.64-67,276.24

Finding the Fourth Proportional to 120,986.32, 166,961.64 and 67,276.24

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Solution

The fourth proportional to 120,986.32, 166,961.64 and 67,276.24 is: 92,841.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,986.32 : 166,961.64 = 67,276.24 : x
  2. Step 2: Convert to fraction form
    120,986.32/166,961.64 = 67,276.24/x
  3. Step 3: Cross multiply
    120,986.32x = 166,961.64 × 67,276.24
  4. Step 4: Simplify right side
    120,986.32x = 11,232,551,363.43
  5. Step 5: Solve for x
    x = 11,232,551,363.43/120,986.32
  6. Step 6: Final answer
    x = 92,841.50

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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.