Home / 133,060.75-183,628.28-72,634.97

Finding the Fourth Proportional to 133,060.75, 183,628.28 and 72,634.97

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Solution

The fourth proportional to 133,060.75, 183,628.28 and 72,634.97 is: 100,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,060.75 : 183,628.28 = 72,634.97 : x
  2. Step 2: Convert to fraction form
    133,060.75/183,628.28 = 72,634.97/x
  3. Step 3: Cross multiply
    133,060.75x = 183,628.28 × 72,634.97
  4. Step 4: Simplify right side
    133,060.75x = 13,337,834,608.95
  5. Step 5: Solve for x
    x = 13,337,834,608.95/133,060.75
  6. Step 6: Final answer
    x = 100,238.69

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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.