Home / 225,577.46-311,296.71-123,609.26

Finding the Fourth Proportional to 225,577.46, 311,296.71 and 123,609.26

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Solution

The fourth proportional to 225,577.46, 311,296.71 and 123,609.26 is: 170,580.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,577.46 : 311,296.71 = 123,609.26 : x
  2. Step 2: Convert to fraction form
    225,577.46/311,296.71 = 123,609.26/x
  3. Step 3: Cross multiply
    225,577.46x = 311,296.71 × 123,609.26
  4. Step 4: Simplify right side
    225,577.46x = 38,479,154,407.05
  5. Step 5: Solve for x
    x = 38,479,154,407.05/225,577.46
  6. Step 6: Final answer
    x = 170,580.67

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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.