Home / 177,021.20-266,050.20-154,211.60

Finding the Fourth Proportional to 177,021.20, 266,050.20 and 154,211.60

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Solution

The fourth proportional to 177,021.20, 266,050.20 and 154,211.60 is: 231,769.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,021.20 : 266,050.20 = 154,211.60 : x
  2. Step 2: Convert to fraction form
    177,021.20/266,050.20 = 154,211.60/x
  3. Step 3: Cross multiply
    177,021.20x = 266,050.20 × 154,211.60
  4. Step 4: Simplify right side
    177,021.20x = 41,028,027,022.32
  5. Step 5: Solve for x
    x = 41,028,027,022.32/177,021.20
  6. Step 6: Final answer
    x = 231,769.00

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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.