Home / 226,236-312,233.22-130,743.48

Finding the Fourth Proportional to 226,236, 312,233.22 and 130,743.48

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Solution

The fourth proportional to 226,236, 312,233.22 and 130,743.48 is: 180,441.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,236 : 312,233.22 = 130,743.48 : x
  2. Step 2: Convert to fraction form
    226,236/312,233.22 = 130,743.48/x
  3. Step 3: Cross multiply
    226,236x = 312,233.22 × 130,743.48
  4. Step 4: Simplify right side
    226,236x = 40,822,457,754.41
  5. Step 5: Solve for x
    x = 40,822,457,754.41/226,236
  6. Step 6: Final answer
    x = 180,441.92

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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.