Home / 204,215.41-306,337.70-54,454.92

Finding the Fourth Proportional to 204,215.41, 306,337.70 and 54,454.92

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Solution

The fourth proportional to 204,215.41, 306,337.70 and 54,454.92 is: 81,686.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,215.41 : 306,337.70 = 54,454.92 : x
  2. Step 2: Convert to fraction form
    204,215.41/306,337.70 = 54,454.92/x
  3. Step 3: Cross multiply
    204,215.41x = 306,337.70 × 54,454.92
  4. Step 4: Simplify right side
    204,215.41x = 16,681,594,946.48
  5. Step 5: Solve for x
    x = 16,681,594,946.48/204,215.41
  6. Step 6: Final answer
    x = 81,686.27

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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.