Home / 320,013.20-441,609.66-176,770.16

Finding the Fourth Proportional to 320,013.20, 441,609.66 and 176,770.16

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Solution

The fourth proportional to 320,013.20, 441,609.66 and 176,770.16 is: 243,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,013.20 : 441,609.66 = 176,770.16 : x
  2. Step 2: Convert to fraction form
    320,013.20/441,609.66 = 176,770.16/x
  3. Step 3: Cross multiply
    320,013.20x = 441,609.66 × 176,770.16
  4. Step 4: Simplify right side
    320,013.20x = 78,063,410,255.75
  5. Step 5: Solve for x
    x = 78,063,410,255.75/320,013.20
  6. Step 6: Final answer
    x = 243,938.09

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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.