Home / 355,936.80-533,905.20-187,226.40

Finding the Fourth Proportional to 355,936.80, 533,905.20 and 187,226.40

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Solution

The fourth proportional to 355,936.80, 533,905.20 and 187,226.40 is: 280,839.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,936.80 : 533,905.20 = 187,226.40 : x
  2. Step 2: Convert to fraction form
    355,936.80/533,905.20 = 187,226.40/x
  3. Step 3: Cross multiply
    355,936.80x = 533,905.20 × 187,226.40
  4. Step 4: Simplify right side
    355,936.80x = 99,961,148,537.28
  5. Step 5: Solve for x
    x = 99,961,148,537.28/355,936.80
  6. Step 6: Final answer
    x = 280,839.60

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1.5x scale

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.