Home / 339,077.10-508,615.65-197,165.10

Finding the Fourth Proportional to 339,077.10, 508,615.65 and 197,165.10

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Solution

The fourth proportional to 339,077.10, 508,615.65 and 197,165.10 is: 295,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,077.10 : 508,615.65 = 197,165.10 : x
  2. Step 2: Convert to fraction form
    339,077.10/508,615.65 = 197,165.10/x
  3. Step 3: Cross multiply
    339,077.10x = 508,615.65 × 197,165.10
  4. Step 4: Simplify right side
    339,077.10x = 100,281,255,493.82
  5. Step 5: Solve for x
    x = 100,281,255,493.82/339,077.10
  6. Step 6: Final answer
    x = 295,747.65

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Double scale
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Similar ratio
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1.5x scale

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.