Home / 481,989.92-723,130.68-166,478.72

Finding the Fourth Proportional to 481,989.92, 723,130.68 and 166,478.72

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Solution

The fourth proportional to 481,989.92, 723,130.68 and 166,478.72 is: 249,768.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,989.92 : 723,130.68 = 166,478.72 : x
  2. Step 2: Convert to fraction form
    481,989.92/723,130.68 = 166,478.72/x
  3. Step 3: Cross multiply
    481,989.92x = 723,130.68 × 166,478.72
  4. Step 4: Simplify right side
    481,989.92x = 120,385,869,999.13
  5. Step 5: Solve for x
    x = 120,385,869,999.13/481,989.92
  6. Step 6: Final answer
    x = 249,768.44

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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.