Home / 133,101.06-183,674.64-72,670.59

Finding the Fourth Proportional to 133,101.06, 183,674.64 and 72,670.59

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Solution

The fourth proportional to 133,101.06, 183,674.64 and 72,670.59 is: 100,282.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,101.06 : 183,674.64 = 72,670.59 : x
  2. Step 2: Convert to fraction form
    133,101.06/183,674.64 = 72,670.59/x
  3. Step 3: Cross multiply
    133,101.06x = 183,674.64 × 72,670.59
  4. Step 4: Simplify right side
    133,101.06x = 13,347,744,456.84
  5. Step 5: Solve for x
    x = 13,347,744,456.84/133,101.06
  6. Step 6: Final answer
    x = 100,282.78

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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.