Home / 320,811.23-442,709.55-184,845.44

Finding the Fourth Proportional to 320,811.23, 442,709.55 and 184,845.44

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Solution

The fourth proportional to 320,811.23, 442,709.55 and 184,845.44 is: 255,080.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,811.23 : 442,709.55 = 184,845.44 : x
  2. Step 2: Convert to fraction form
    320,811.23/442,709.55 = 184,845.44/x
  3. Step 3: Cross multiply
    320,811.23x = 442,709.55 × 184,845.44
  4. Step 4: Simplify right side
    320,811.23x = 81,832,842,668.73
  5. Step 5: Solve for x
    x = 81,832,842,668.73/320,811.23
  6. Step 6: Final answer
    x = 255,080.98

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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.