Home / 226,283.46-312,236.49-130,771.72

Finding the Fourth Proportional to 226,283.46, 312,236.49 and 130,771.72

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Solution

The fourth proportional to 226,283.46, 312,236.49 and 130,771.72 is: 180,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,283.46 : 312,236.49 = 130,771.72 : x
  2. Step 2: Convert to fraction form
    226,283.46/312,236.49 = 130,771.72/x
  3. Step 3: Cross multiply
    226,283.46x = 312,236.49 × 130,771.72
  4. Step 4: Simplify right side
    226,283.46x = 40,831,702,844.06
  5. Step 5: Solve for x
    x = 40,831,702,844.06/226,283.46
  6. Step 6: Final answer
    x = 180,444.93

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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.