Home / 205,868.66-284,033.97-115,210.22

Finding the Fourth Proportional to 205,868.66, 284,033.97 and 115,210.22

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Solution

The fourth proportional to 205,868.66, 284,033.97 and 115,210.22 is: 158,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,868.66 : 284,033.97 = 115,210.22 : x
  2. Step 2: Convert to fraction form
    205,868.66/284,033.97 = 115,210.22/x
  3. Step 3: Cross multiply
    205,868.66x = 284,033.97 × 115,210.22
  4. Step 4: Simplify right side
    205,868.66x = 32,723,614,751.00
  5. Step 5: Solve for x
    x = 32,723,614,751.00/205,868.66
  6. Step 6: Final answer
    x = 158,953.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.