Home / 320,821.93-442,832.97-184,946.76

Finding the Fourth Proportional to 320,821.93, 442,832.97 and 184,946.76

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Solution

The fourth proportional to 320,821.93, 442,832.97 and 184,946.76 is: 255,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,821.93 : 442,832.97 = 184,946.76 : x
  2. Step 2: Convert to fraction form
    320,821.93/442,832.97 = 184,946.76/x
  3. Step 3: Cross multiply
    320,821.93x = 442,832.97 × 184,946.76
  4. Step 4: Simplify right side
    320,821.93x = 81,900,523,022.68
  5. Step 5: Solve for x
    x = 81,900,523,022.68/320,821.93
  6. Step 6: Final answer
    x = 255,283.43

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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.