Home / 240,414.54-331,660.35-155,558.94

Finding the Fourth Proportional to 240,414.54, 331,660.35 and 155,558.94

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Solution

The fourth proportional to 240,414.54, 331,660.35 and 155,558.94 is: 214,599.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,414.54 : 331,660.35 = 155,558.94 : x
  2. Step 2: Convert to fraction form
    240,414.54/331,660.35 = 155,558.94/x
  3. Step 3: Cross multiply
    240,414.54x = 331,660.35 × 155,558.94
  4. Step 4: Simplify right side
    240,414.54x = 51,592,732,486.03
  5. Step 5: Solve for x
    x = 51,592,732,486.03/240,414.54
  6. Step 6: Final answer
    x = 214,599.05

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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.