Home / 320,610.86-442,447.64-184,669.22

Finding the Fourth Proportional to 320,610.86, 442,447.64 and 184,669.22

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Solution

The fourth proportional to 320,610.86, 442,447.64 and 184,669.22 is: 254,846.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,610.86 : 442,447.64 = 184,669.22 : x
  2. Step 2: Convert to fraction form
    320,610.86/442,447.64 = 184,669.22/x
  3. Step 3: Cross multiply
    320,610.86x = 442,447.64 × 184,669.22
  4. Step 4: Simplify right side
    320,610.86x = 81,706,459,475.53
  5. Step 5: Solve for x
    x = 81,706,459,475.53/320,610.86
  6. Step 6: Final answer
    x = 254,846.20

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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.