Home / 187,281.41-280,930.31-54,175.12

Finding the Fourth Proportional to 187,281.41, 280,930.31 and 54,175.12

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Solution

The fourth proportional to 187,281.41, 280,930.31 and 54,175.12 is: 81,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,281.41 : 280,930.31 = 54,175.12 : x
  2. Step 2: Convert to fraction form
    187,281.41/280,930.31 = 54,175.12/x
  3. Step 3: Cross multiply
    187,281.41x = 280,930.31 × 54,175.12
  4. Step 4: Simplify right side
    187,281.41x = 15,219,432,485.84
  5. Step 5: Solve for x
    x = 15,219,432,485.84/187,281.41
  6. Step 6: Final answer
    x = 81,265.05

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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.