Home / 396,153.52-546,699.31-243,115.12

Finding the Fourth Proportional to 396,153.52, 546,699.31 and 243,115.12

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Solution

The fourth proportional to 396,153.52, 546,699.31 and 243,115.12 is: 335,503.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,153.52 : 546,699.31 = 243,115.12 : x
  2. Step 2: Convert to fraction form
    396,153.52/546,699.31 = 243,115.12/x
  3. Step 3: Cross multiply
    396,153.52x = 546,699.31 × 243,115.12
  4. Step 4: Simplify right side
    396,153.52x = 132,910,869,455.80
  5. Step 5: Solve for x
    x = 132,910,869,455.80/396,153.52
  6. Step 6: Final answer
    x = 335,503.44

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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.