Home / 320,771.64-442,626.03-184,850.13

Finding the Fourth Proportional to 320,771.64, 442,626.03 and 184,850.13

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Solution

The fourth proportional to 320,771.64, 442,626.03 and 184,850.13 is: 255,070.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,771.64 : 442,626.03 = 184,850.13 : x
  2. Step 2: Convert to fraction form
    320,771.64/442,626.03 = 184,850.13/x
  3. Step 3: Cross multiply
    320,771.64x = 442,626.03 × 184,850.13
  4. Step 4: Simplify right side
    320,771.64x = 81,819,479,186.88
  5. Step 5: Solve for x
    x = 81,819,479,186.88/320,771.64
  6. Step 6: Final answer
    x = 255,070.80

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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.