Home / 320,895.45-442,696.66-193,500.27

Finding the Fourth Proportional to 320,895.45, 442,696.66 and 193,500.27

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Solution

The fourth proportional to 320,895.45, 442,696.66 and 193,500.27 is: 266,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,895.45 : 442,696.66 = 193,500.27 : x
  2. Step 2: Convert to fraction form
    320,895.45/442,696.66 = 193,500.27/x
  3. Step 3: Cross multiply
    320,895.45x = 442,696.66 × 193,500.27
  4. Step 4: Simplify right side
    320,895.45x = 85,661,922,754.35
  5. Step 5: Solve for x
    x = 85,661,922,754.35/320,895.45
  6. Step 6: Final answer
    x = 266,946.52

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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.