Home / 177,850.20-266,969.70-111,365.40

Finding the Fourth Proportional to 177,850.20, 266,969.70 and 111,365.40

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Solution

The fourth proportional to 177,850.20, 266,969.70 and 111,365.40 is: 167,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,850.20 : 266,969.70 = 111,365.40 : x
  2. Step 2: Convert to fraction form
    177,850.20/266,969.70 = 111,365.40/x
  3. Step 3: Cross multiply
    177,850.20x = 266,969.70 × 111,365.40
  4. Step 4: Simplify right side
    177,850.20x = 29,731,187,428.38
  5. Step 5: Solve for x
    x = 29,731,187,428.38/177,850.20
  6. Step 6: Final answer
    x = 167,169.83

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1.5x scale

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.