Home / 188,455.68-282,694.32-53,509.23

Finding the Fourth Proportional to 188,455.68, 282,694.32 and 53,509.23

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Solution

The fourth proportional to 188,455.68, 282,694.32 and 53,509.23 is: 80,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,455.68 : 282,694.32 = 53,509.23 : x
  2. Step 2: Convert to fraction form
    188,455.68/282,694.32 = 53,509.23/x
  3. Step 3: Cross multiply
    188,455.68x = 282,694.32 × 53,509.23
  4. Step 4: Simplify right side
    188,455.68x = 15,126,755,388.57
  5. Step 5: Solve for x
    x = 15,126,755,388.57/188,455.68
  6. Step 6: Final answer
    x = 80,266.91

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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.