Home / 120,981.24-166,953.96-67,264.56

Finding the Fourth Proportional to 120,981.24, 166,953.96 and 67,264.56

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Solution

The fourth proportional to 120,981.24, 166,953.96 and 67,264.56 is: 92,825.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,981.24 : 166,953.96 = 67,264.56 : x
  2. Step 2: Convert to fraction form
    120,981.24/166,953.96 = 67,264.56/x
  3. Step 3: Cross multiply
    120,981.24x = 166,953.96 × 67,264.56
  4. Step 4: Simplify right side
    120,981.24x = 11,230,084,659.66
  5. Step 5: Solve for x
    x = 11,230,084,659.66/120,981.24
  6. Step 6: Final answer
    x = 92,825.01

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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.