Home / 205,932.50-284,191.59-115,286.18

Finding the Fourth Proportional to 205,932.50, 284,191.59 and 115,286.18

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Solution

The fourth proportional to 205,932.50, 284,191.59 and 115,286.18 is: 159,097.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,932.50 : 284,191.59 = 115,286.18 : x
  2. Step 2: Convert to fraction form
    205,932.50/284,191.59 = 115,286.18/x
  3. Step 3: Cross multiply
    205,932.50x = 284,191.59 × 115,286.18
  4. Step 4: Simplify right side
    205,932.50x = 32,763,362,799.23
  5. Step 5: Solve for x
    x = 32,763,362,799.23/205,932.50
  6. Step 6: Final answer
    x = 159,097.58

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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.