Home / 193,805.24-290,820.30-81,476.60

Finding the Fourth Proportional to 193,805.24, 290,820.30 and 81,476.60

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Solution

The fourth proportional to 193,805.24, 290,820.30 and 81,476.60 is: 122,262.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,805.24 : 290,820.30 = 81,476.60 : x
  2. Step 2: Convert to fraction form
    193,805.24/290,820.30 = 81,476.60/x
  3. Step 3: Cross multiply
    193,805.24x = 290,820.30 × 81,476.60
  4. Step 4: Simplify right side
    193,805.24x = 23,695,049,254.98
  5. Step 5: Solve for x
    x = 23,695,049,254.98/193,805.24
  6. Step 6: Final answer
    x = 122,262.17

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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.