Home / 269,690.03-404,715.64-111,918.63

Finding the Fourth Proportional to 269,690.03, 404,715.64 and 111,918.63

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Solution

The fourth proportional to 269,690.03, 404,715.64 and 111,918.63 is: 167,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,690.03 : 404,715.64 = 111,918.63 : x
  2. Step 2: Convert to fraction form
    269,690.03/404,715.64 = 111,918.63/x
  3. Step 3: Cross multiply
    269,690.03x = 404,715.64 × 111,918.63
  4. Step 4: Simplify right side
    269,690.03x = 45,295,219,968.37
  5. Step 5: Solve for x
    x = 45,295,219,968.37/269,690.03
  6. Step 6: Final answer
    x = 167,952.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.