Home / 133,182.82-183,796.24-72,754.46

Finding the Fourth Proportional to 133,182.82, 183,796.24 and 72,754.46

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Solution

The fourth proportional to 133,182.82, 183,796.24 and 72,754.46 is: 100,403.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,182.82 : 183,796.24 = 72,754.46 : x
  2. Step 2: Convert to fraction form
    133,182.82/183,796.24 = 72,754.46/x
  3. Step 3: Cross multiply
    133,182.82x = 183,796.24 × 72,754.46
  4. Step 4: Simplify right side
    133,182.82x = 13,371,996,432.94
  5. Step 5: Solve for x
    x = 13,371,996,432.94/133,182.82
  6. Step 6: Final answer
    x = 100,403.32

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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.