Home / 218,101.28-300,995.61-133,234.34

Finding the Fourth Proportional to 218,101.28, 300,995.61 and 133,234.34

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Solution

The fourth proportional to 218,101.28, 300,995.61 and 133,234.34 is: 183,873.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,101.28 : 300,995.61 = 133,234.34 : x
  2. Step 2: Convert to fraction form
    218,101.28/300,995.61 = 133,234.34/x
  3. Step 3: Cross multiply
    218,101.28x = 300,995.61 × 133,234.34
  4. Step 4: Simplify right side
    218,101.28x = 40,102,951,441.25
  5. Step 5: Solve for x
    x = 40,102,951,441.25/218,101.28
  6. Step 6: Final answer
    x = 183,873.07

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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.