Home / 232,288.80-320,483.04-135,470.88

Finding the Fourth Proportional to 232,288.80, 320,483.04 and 135,470.88

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Solution

The fourth proportional to 232,288.80, 320,483.04 and 135,470.88 is: 186,905.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,288.80 : 320,483.04 = 135,470.88 : x
  2. Step 2: Convert to fraction form
    232,288.80/320,483.04 = 135,470.88/x
  3. Step 3: Cross multiply
    232,288.80x = 320,483.04 × 135,470.88
  4. Step 4: Simplify right side
    232,288.80x = 43,416,119,453.88
  5. Step 5: Solve for x
    x = 43,416,119,453.88/232,288.80
  6. Step 6: Final answer
    x = 186,905.78

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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.