Home / 320,634.34-442,346.78-184,595.30

Finding the Fourth Proportional to 320,634.34, 442,346.78 and 184,595.30

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Solution

The fourth proportional to 320,634.34, 442,346.78 and 184,595.30 is: 254,667.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,634.34 : 442,346.78 = 184,595.30 : x
  2. Step 2: Convert to fraction form
    320,634.34/442,346.78 = 184,595.30/x
  3. Step 3: Cross multiply
    320,634.34x = 442,346.78 × 184,595.30
  4. Step 4: Simplify right side
    320,634.34x = 81,655,139,535.45
  5. Step 5: Solve for x
    x = 81,655,139,535.45/320,634.34
  6. Step 6: Final answer
    x = 254,667.48

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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.