Home / 144,670.56-199,645.68-81,008.16

Finding the Fourth Proportional to 144,670.56, 199,645.68 and 81,008.16

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Solution

The fourth proportional to 144,670.56, 199,645.68 and 81,008.16 is: 111,791.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,670.56 : 199,645.68 = 81,008.16 : x
  2. Step 2: Convert to fraction form
    144,670.56/199,645.68 = 81,008.16/x
  3. Step 3: Cross multiply
    144,670.56x = 199,645.68 × 81,008.16
  4. Step 4: Simplify right side
    144,670.56x = 16,172,929,188.75
  5. Step 5: Solve for x
    x = 16,172,929,188.75/144,670.56
  6. Step 6: Final answer
    x = 111,791.43

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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.