Home / 320,346.24-442,087.04-177,115.52

Finding the Fourth Proportional to 320,346.24, 442,087.04 and 177,115.52

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Solution

The fourth proportional to 320,346.24, 442,087.04 and 177,115.52 is: 244,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,346.24 : 442,087.04 = 177,115.52 : x
  2. Step 2: Convert to fraction form
    320,346.24/442,087.04 = 177,115.52/x
  3. Step 3: Cross multiply
    320,346.24x = 442,087.04 × 177,115.52
  4. Step 4: Simplify right side
    320,346.24x = 78,300,475,974.86
  5. Step 5: Solve for x
    x = 78,300,475,974.86/320,346.24
  6. Step 6: Final answer
    x = 244,424.52

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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.