Home / 664,869.05-997,303.52-166,233.05

Finding the Fourth Proportional to 664,869.05, 997,303.52 and 166,233.05

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Solution

The fourth proportional to 664,869.05, 997,303.52 and 166,233.05 is: 249,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,869.05 : 997,303.52 = 166,233.05 : x
  2. Step 2: Convert to fraction form
    664,869.05/997,303.52 = 166,233.05/x
  3. Step 3: Cross multiply
    664,869.05x = 997,303.52 × 166,233.05
  4. Step 4: Simplify right side
    664,869.05x = 165,784,801,334.40
  5. Step 5: Solve for x
    x = 165,784,801,334.40/664,869.05
  6. Step 6: Final answer
    x = 249,349.56

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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.