Home / 235,285.34-324,687.20-127,851.80

Finding the Fourth Proportional to 235,285.34, 324,687.20 and 127,851.80

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Solution

The fourth proportional to 235,285.34, 324,687.20 and 127,851.80 is: 176,431.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,285.34 : 324,687.20 = 127,851.80 : x
  2. Step 2: Convert to fraction form
    235,285.34/324,687.20 = 127,851.80/x
  3. Step 3: Cross multiply
    235,285.34x = 324,687.20 × 127,851.80
  4. Step 4: Simplify right side
    235,285.34x = 41,511,840,694.27
  5. Step 5: Solve for x
    x = 41,511,840,694.27/235,285.34
  6. Step 6: Final answer
    x = 176,431.91

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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.