Home / 133,349.73-183,935.92-85,527.33

Finding the Fourth Proportional to 133,349.73, 183,935.92 and 85,527.33

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Solution

The fourth proportional to 133,349.73, 183,935.92 and 85,527.33 is: 117,972.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,349.73 : 183,935.92 = 85,527.33 : x
  2. Step 2: Convert to fraction form
    133,349.73/183,935.92 = 85,527.33/x
  3. Step 3: Cross multiply
    133,349.73x = 183,935.92 × 85,527.33
  4. Step 4: Simplify right side
    133,349.73x = 15,731,548,128.69
  5. Step 5: Solve for x
    x = 15,731,548,128.69/133,349.73
  6. Step 6: Final answer
    x = 117,972.10

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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.