Home / 320,475.69-442,207.32-184,483.36

Finding the Fourth Proportional to 320,475.69, 442,207.32 and 184,483.36

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Solution

The fourth proportional to 320,475.69, 442,207.32 and 184,483.36 is: 254,558.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,475.69 : 442,207.32 = 184,483.36 : x
  2. Step 2: Convert to fraction form
    320,475.69/442,207.32 = 184,483.36/x
  3. Step 3: Cross multiply
    320,475.69x = 442,207.32 × 184,483.36
  4. Step 4: Simplify right side
    320,475.69x = 81,579,892,210.20
  5. Step 5: Solve for x
    x = 81,579,892,210.20/320,475.69
  6. Step 6: Final answer
    x = 254,558.75

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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.