Home / 384,816.54-577,310.01-132,091.38

Finding the Fourth Proportional to 384,816.54, 577,310.01 and 132,091.38

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Solution

The fourth proportional to 384,816.54, 577,310.01 and 132,091.38 is: 198,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,816.54 : 577,310.01 = 132,091.38 : x
  2. Step 2: Convert to fraction form
    384,816.54/577,310.01 = 132,091.38/x
  3. Step 3: Cross multiply
    384,816.54x = 577,310.01 × 132,091.38
  4. Step 4: Simplify right side
    384,816.54x = 76,257,675,908.71
  5. Step 5: Solve for x
    x = 76,257,675,908.71/384,816.54
  6. Step 6: Final answer
    x = 198,166.32

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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.