Home / 664,899.68-997,333.68-166,263.20

Finding the Fourth Proportional to 664,899.68, 997,333.68 and 166,263.20

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Solution

The fourth proportional to 664,899.68, 997,333.68 and 166,263.20 is: 249,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,899.68 : 997,333.68 = 166,263.20 : x
  2. Step 2: Convert to fraction form
    664,899.68/997,333.68 = 166,263.20/x
  3. Step 3: Cross multiply
    664,899.68x = 997,333.68 × 166,263.20
  4. Step 4: Simplify right side
    664,899.68x = 165,819,889,104.58
  5. Step 5: Solve for x
    x = 165,819,889,104.58/664,899.68
  6. Step 6: Final answer
    x = 249,390.84

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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.