Home / 225,795.60-311,631.99-144,158.73

Finding the Fourth Proportional to 225,795.60, 311,631.99 and 144,158.73

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Solution

The fourth proportional to 225,795.60, 311,631.99 and 144,158.73 is: 198,960.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,795.60 : 311,631.99 = 144,158.73 : x
  2. Step 2: Convert to fraction form
    225,795.60/311,631.99 = 144,158.73/x
  3. Step 3: Cross multiply
    225,795.60x = 311,631.99 × 144,158.73
  4. Step 4: Simplify right side
    225,795.60x = 44,924,471,905.77
  5. Step 5: Solve for x
    x = 44,924,471,905.77/225,795.60
  6. Step 6: Final answer
    x = 198,960.79

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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.