Home / 120,953.31-166,908.22-67,236.40

Finding the Fourth Proportional to 120,953.31, 166,908.22 and 67,236.40

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Solution

The fourth proportional to 120,953.31, 166,908.22 and 67,236.40 is: 92,782.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,953.31 : 166,908.22 = 67,236.40 : x
  2. Step 2: Convert to fraction form
    120,953.31/166,908.22 = 67,236.40/x
  3. Step 3: Cross multiply
    120,953.31x = 166,908.22 × 67,236.40
  4. Step 4: Simplify right side
    120,953.31x = 11,222,307,843.21
  5. Step 5: Solve for x
    x = 11,222,307,843.21/120,953.31
  6. Step 6: Final answer
    x = 92,782.15

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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.