Home / 332,821.10-499,304.55-133,091.30

Finding the Fourth Proportional to 332,821.10, 499,304.55 and 133,091.30

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Solution

The fourth proportional to 332,821.10, 499,304.55 and 133,091.30 is: 199,666.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,821.10 : 499,304.55 = 133,091.30 : x
  2. Step 2: Convert to fraction form
    332,821.10/499,304.55 = 133,091.30/x
  3. Step 3: Cross multiply
    332,821.10x = 499,304.55 × 133,091.30
  4. Step 4: Simplify right side
    332,821.10x = 66,453,091,655.42
  5. Step 5: Solve for x
    x = 66,453,091,655.42/332,821.10
  6. Step 6: Final answer
    x = 199,666.10

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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.