Home / 133,728.18-200,842.10-117,723.38

Finding the Fourth Proportional to 133,728.18, 200,842.10 and 117,723.38

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Solution

The fourth proportional to 133,728.18, 200,842.10 and 117,723.38 is: 176,805.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,728.18 : 200,842.10 = 117,723.38 : x
  2. Step 2: Convert to fraction form
    133,728.18/200,842.10 = 117,723.38/x
  3. Step 3: Cross multiply
    133,728.18x = 200,842.10 × 117,723.38
  4. Step 4: Simplify right side
    133,728.18x = 23,643,810,858.30
  5. Step 5: Solve for x
    x = 23,643,810,858.30/133,728.18
  6. Step 6: Final answer
    x = 176,805.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.