Home / 226,407.96-312,439.68-130,923.54

Finding the Fourth Proportional to 226,407.96, 312,439.68 and 130,923.54

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Solution

The fourth proportional to 226,407.96, 312,439.68 and 130,923.54 is: 180,672.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,407.96 : 312,439.68 = 130,923.54 : x
  2. Step 2: Convert to fraction form
    226,407.96/312,439.68 = 130,923.54/x
  3. Step 3: Cross multiply
    226,407.96x = 312,439.68 × 130,923.54
  4. Step 4: Simplify right side
    226,407.96x = 40,905,708,942.07
  5. Step 5: Solve for x
    x = 40,905,708,942.07/226,407.96
  6. Step 6: Final answer
    x = 180,672.57

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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.