Home / 205,882.04-284,129.82-115,243.65

Finding the Fourth Proportional to 205,882.04, 284,129.82 and 115,243.65

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Solution

The fourth proportional to 205,882.04, 284,129.82 and 115,243.65 is: 159,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,882.04 : 284,129.82 = 115,243.65 : x
  2. Step 2: Convert to fraction form
    205,882.04/284,129.82 = 115,243.65/x
  3. Step 3: Cross multiply
    205,882.04x = 284,129.82 × 115,243.65
  4. Step 4: Simplify right side
    205,882.04x = 32,744,157,530.64
  5. Step 5: Solve for x
    x = 32,744,157,530.64/205,882.04
  6. Step 6: Final answer
    x = 159,043.30

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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.