Home / 120,934.31-166,889.97-67,224.32

Finding the Fourth Proportional to 120,934.31, 166,889.97 and 67,224.32

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Solution

The fourth proportional to 120,934.31, 166,889.97 and 67,224.32 is: 92,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,934.31 : 166,889.97 = 67,224.32 : x
  2. Step 2: Convert to fraction form
    120,934.31/166,889.97 = 67,224.32/x
  3. Step 3: Cross multiply
    120,934.31x = 166,889.97 × 67,224.32
  4. Step 4: Simplify right side
    120,934.31x = 11,219,063,913.62
  5. Step 5: Solve for x
    x = 11,219,063,913.62/120,934.31
  6. Step 6: Final answer
    x = 92,769.90

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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.