Home / 320,907.60-442,849.44-184,891.68

Finding the Fourth Proportional to 320,907.60, 442,849.44 and 184,891.68

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Solution

The fourth proportional to 320,907.60, 442,849.44 and 184,891.68 is: 255,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,907.60 : 442,849.44 = 184,891.68 : x
  2. Step 2: Convert to fraction form
    320,907.60/442,849.44 = 184,891.68/x
  3. Step 3: Cross multiply
    320,907.60x = 442,849.44 × 184,891.68
  4. Step 4: Simplify right side
    320,907.60x = 81,879,176,948.66
  5. Step 5: Solve for x
    x = 81,879,176,948.66/320,907.60
  6. Step 6: Final answer
    x = 255,148.76

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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.