Home / 547,114.08-821,056.56-192,155.76

Finding the Fourth Proportional to 547,114.08, 821,056.56 and 192,155.76

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Solution

The fourth proportional to 547,114.08, 821,056.56 and 192,155.76 is: 288,369.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,114.08 : 821,056.56 = 192,155.76 : x
  2. Step 2: Convert to fraction form
    547,114.08/821,056.56 = 192,155.76/x
  3. Step 3: Cross multiply
    547,114.08x = 821,056.56 × 192,155.76
  4. Step 4: Simplify right side
    547,114.08x = 157,770,747,289.79
  5. Step 5: Solve for x
    x = 157,770,747,289.79/547,114.08
  6. Step 6: Final answer
    x = 288,369.01

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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.