Home / 331,013.08-456,784.59-187,770.04

Finding the Fourth Proportional to 331,013.08, 456,784.59 and 187,770.04

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Solution

The fourth proportional to 331,013.08, 456,784.59 and 187,770.04 is: 259,115.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,013.08 : 456,784.59 = 187,770.04 : x
  2. Step 2: Convert to fraction form
    331,013.08/456,784.59 = 187,770.04/x
  3. Step 3: Cross multiply
    331,013.08x = 456,784.59 × 187,770.04
  4. Step 4: Simplify right side
    331,013.08x = 85,770,460,735.68
  5. Step 5: Solve for x
    x = 85,770,460,735.68/331,013.08
  6. Step 6: Final answer
    x = 259,115.02

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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.