Home / 200,857.12-277,181.44-111,433.12

Finding the Fourth Proportional to 200,857.12, 277,181.44 and 111,433.12

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Solution

The fourth proportional to 200,857.12, 277,181.44 and 111,433.12 is: 153,776.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,857.12 : 277,181.44 = 111,433.12 : x
  2. Step 2: Convert to fraction form
    200,857.12/277,181.44 = 111,433.12/x
  3. Step 3: Cross multiply
    200,857.12x = 277,181.44 × 111,433.12
  4. Step 4: Simplify right side
    200,857.12x = 30,887,192,665.29
  5. Step 5: Solve for x
    x = 30,887,192,665.29/200,857.12
  6. Step 6: Final answer
    x = 153,776.94

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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.