Home / 120,976.64-166,946.90-67,261.22

Finding the Fourth Proportional to 120,976.64, 166,946.90 and 67,261.22

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Solution

The fourth proportional to 120,976.64, 166,946.90 and 67,261.22 is: 92,820.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,976.64 : 166,946.90 = 67,261.22 : x
  2. Step 2: Convert to fraction form
    120,976.64/166,946.90 = 67,261.22/x
  3. Step 3: Cross multiply
    120,976.64x = 166,946.90 × 67,261.22
  4. Step 4: Simplify right side
    120,976.64x = 11,229,050,998.18
  5. Step 5: Solve for x
    x = 11,229,050,998.18/120,976.64
  6. Step 6: Final answer
    x = 92,820.00

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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.