Home / 226,211.55-311,998.92-153,670.38

Finding the Fourth Proportional to 226,211.55, 311,998.92 and 153,670.38

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Solution

The fourth proportional to 226,211.55, 311,998.92 and 153,670.38 is: 211,947.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,211.55 : 311,998.92 = 153,670.38 : x
  2. Step 2: Convert to fraction form
    226,211.55/311,998.92 = 153,670.38/x
  3. Step 3: Cross multiply
    226,211.55x = 311,998.92 × 153,670.38
  4. Step 4: Simplify right side
    226,211.55x = 47,944,992,595.99
  5. Step 5: Solve for x
    x = 47,944,992,595.99/226,211.55
  6. Step 6: Final answer
    x = 211,947.59

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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.