Home / 345,198.03-476,259.12-201,856.61

Finding the Fourth Proportional to 345,198.03, 476,259.12 and 201,856.61

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Solution

The fourth proportional to 345,198.03, 476,259.12 and 201,856.61 is: 278,495.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,198.03 : 476,259.12 = 201,856.61 : x
  2. Step 2: Convert to fraction form
    345,198.03/476,259.12 = 201,856.61/x
  3. Step 3: Cross multiply
    345,198.03x = 476,259.12 × 201,856.61
  4. Step 4: Simplify right side
    345,198.03x = 96,136,049,063.49
  5. Step 5: Solve for x
    x = 96,136,049,063.49/345,198.03
  6. Step 6: Final answer
    x = 278,495.36

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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.