Home / 255,913.56-383,871.89-113,725.42

Finding the Fourth Proportional to 255,913.56, 383,871.89 and 113,725.42

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Solution

The fourth proportional to 255,913.56, 383,871.89 and 113,725.42 is: 170,588.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,913.56 : 383,871.89 = 113,725.42 : x
  2. Step 2: Convert to fraction form
    255,913.56/383,871.89 = 113,725.42/x
  3. Step 3: Cross multiply
    255,913.56x = 383,871.89 × 113,725.42
  4. Step 4: Simplify right side
    255,913.56x = 43,655,991,241.08
  5. Step 5: Solve for x
    x = 43,655,991,241.08/255,913.56
  6. Step 6: Final answer
    x = 170,588.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.