Home / 320,819.06-442,828.86-184,943.84

Finding the Fourth Proportional to 320,819.06, 442,828.86 and 184,943.84

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Solution

The fourth proportional to 320,819.06, 442,828.86 and 184,943.84 is: 255,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,819.06 : 442,828.86 = 184,943.84 : x
  2. Step 2: Convert to fraction form
    320,819.06/442,828.86 = 184,943.84/x
  3. Step 3: Cross multiply
    320,819.06x = 442,828.86 × 184,943.84
  4. Step 4: Simplify right side
    320,819.06x = 81,898,466,923.54
  5. Step 5: Solve for x
    x = 81,898,466,923.54/320,819.06
  6. Step 6: Final answer
    x = 255,279.30

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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.