Home / 80,192.22-120,287.07-27,602.16

Finding the Fourth Proportional to 80,192.22, 120,287.07 and 27,602.16

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Solution

The fourth proportional to 80,192.22, 120,287.07 and 27,602.16 is: 41,402.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,192.22 : 120,287.07 = 27,602.16 : x
  2. Step 2: Convert to fraction form
    80,192.22/120,287.07 = 27,602.16/x
  3. Step 3: Cross multiply
    80,192.22x = 120,287.07 × 27,602.16
  4. Step 4: Simplify right side
    80,192.22x = 3,320,182,952.07
  5. Step 5: Solve for x
    x = 3,320,182,952.07/80,192.22
  6. Step 6: Final answer
    x = 41,402.81

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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.