Home / 220,825.36-331,230.98-92,809.47

Finding the Fourth Proportional to 220,825.36, 331,230.98 and 92,809.47

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Solution

The fourth proportional to 220,825.36, 331,230.98 and 92,809.47 is: 139,211.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,825.36 : 331,230.98 = 92,809.47 : x
  2. Step 2: Convert to fraction form
    220,825.36/331,230.98 = 92,809.47/x
  3. Step 3: Cross multiply
    220,825.36x = 331,230.98 × 92,809.47
  4. Step 4: Simplify right side
    220,825.36x = 30,741,371,051.32
  5. Step 5: Solve for x
    x = 30,741,371,051.32/220,825.36
  6. Step 6: Final answer
    x = 139,211.23

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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.