Home / 320,348.24-442,081.32-184,390.64

Finding the Fourth Proportional to 320,348.24, 442,081.32 and 184,390.64

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Solution

The fourth proportional to 320,348.24, 442,081.32 and 184,390.64 is: 254,459.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,348.24 : 442,081.32 = 184,390.64 : x
  2. Step 2: Convert to fraction form
    320,348.24/442,081.32 = 184,390.64/x
  3. Step 3: Cross multiply
    320,348.24x = 442,081.32 × 184,390.64
  4. Step 4: Simplify right side
    320,348.24x = 81,515,657,526.84
  5. Step 5: Solve for x
    x = 81,515,657,526.84/320,348.24
  6. Step 6: Final answer
    x = 254,459.51

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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.