Home / 225,932.58-311,787.33-125,330.58

Finding the Fourth Proportional to 225,932.58, 311,787.33 and 125,330.58

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Solution

The fourth proportional to 225,932.58, 311,787.33 and 125,330.58 is: 172,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,932.58 : 311,787.33 = 125,330.58 : x
  2. Step 2: Convert to fraction form
    225,932.58/311,787.33 = 125,330.58/x
  3. Step 3: Cross multiply
    225,932.58x = 311,787.33 × 125,330.58
  4. Step 4: Simplify right side
    225,932.58x = 39,076,486,905.55
  5. Step 5: Solve for x
    x = 39,076,486,905.55/225,932.58
  6. Step 6: Final answer
    x = 172,956.41

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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.