Home / 133,010.73-183,553.97-72,580.14

Finding the Fourth Proportional to 133,010.73, 183,553.97 and 72,580.14

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Solution

The fourth proportional to 133,010.73, 183,553.97 and 72,580.14 is: 100,160.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,010.73 : 183,553.97 = 72,580.14 : x
  2. Step 2: Convert to fraction form
    133,010.73/183,553.97 = 72,580.14/x
  3. Step 3: Cross multiply
    133,010.73x = 183,553.97 × 72,580.14
  4. Step 4: Simplify right side
    133,010.73x = 13,322,372,477.26
  5. Step 5: Solve for x
    x = 13,322,372,477.26/133,010.73
  6. Step 6: Final answer
    x = 100,160.13

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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.