Home / 664,861.38-997,292.06-166,225.38

Finding the Fourth Proportional to 664,861.38, 997,292.06 and 166,225.38

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Solution

The fourth proportional to 664,861.38, 997,292.06 and 166,225.38 is: 249,338.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,861.38 : 997,292.06 = 166,225.38 : x
  2. Step 2: Convert to fraction form
    664,861.38/997,292.06 = 166,225.38/x
  3. Step 3: Cross multiply
    664,861.38x = 997,292.06 × 166,225.38
  4. Step 4: Simplify right side
    664,861.38x = 165,775,251,644.48
  5. Step 5: Solve for x
    x = 165,775,251,644.48/664,861.38
  6. Step 6: Final answer
    x = 249,338.07

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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.