Home / 226,030.91-311,932.42-135,401.63

Finding the Fourth Proportional to 226,030.91, 311,932.42 and 135,401.63

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Solution

The fourth proportional to 226,030.91, 311,932.42 and 135,401.63 is: 186,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,030.91 : 311,932.42 = 135,401.63 : x
  2. Step 2: Convert to fraction form
    226,030.91/311,932.42 = 135,401.63/x
  3. Step 3: Cross multiply
    226,030.91x = 311,932.42 × 135,401.63
  4. Step 4: Simplify right side
    226,030.91x = 42,236,156,219.68
  5. Step 5: Solve for x
    x = 42,236,156,219.68/226,030.91
  6. Step 6: Final answer
    x = 186,860.09

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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.