Home / 320,841.96-442,772.34-184,865.36

Finding the Fourth Proportional to 320,841.96, 442,772.34 and 184,865.36

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Solution

The fourth proportional to 320,841.96, 442,772.34 and 184,865.36 is: 255,120.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,841.96 : 442,772.34 = 184,865.36 : x
  2. Step 2: Convert to fraction form
    320,841.96/442,772.34 = 184,865.36/x
  3. Step 3: Cross multiply
    320,841.96x = 442,772.34 × 184,865.36
  4. Step 4: Simplify right side
    320,841.96x = 81,853,268,032.14
  5. Step 5: Solve for x
    x = 81,853,268,032.14/320,841.96
  6. Step 6: Final answer
    x = 255,120.21

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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.