Home / 205,930.08-284,188.92-115,285.65

Finding the Fourth Proportional to 205,930.08, 284,188.92 and 115,285.65

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Solution

The fourth proportional to 205,930.08, 284,188.92 and 115,285.65 is: 159,097.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,930.08 : 284,188.92 = 115,285.65 : x
  2. Step 2: Convert to fraction form
    205,930.08/284,188.92 = 115,285.65/x
  3. Step 3: Cross multiply
    205,930.08x = 284,188.92 × 115,285.65
  4. Step 4: Simplify right side
    205,930.08x = 32,762,904,365.00
  5. Step 5: Solve for x
    x = 32,762,904,365.00/205,930.08
  6. Step 6: Final answer
    x = 159,097.23

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1.5x scale

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.