Home / 185,878.40-256,451.61-108,336.35

Finding the Fourth Proportional to 185,878.40, 256,451.61 and 108,336.35

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Solution

The fourth proportional to 185,878.40, 256,451.61 and 108,336.35 is: 149,468.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,878.40 : 256,451.61 = 108,336.35 : x
  2. Step 2: Convert to fraction form
    185,878.40/256,451.61 = 108,336.35/x
  3. Step 3: Cross multiply
    185,878.40x = 256,451.61 × 108,336.35
  4. Step 4: Simplify right side
    185,878.40x = 27,783,030,983.87
  5. Step 5: Solve for x
    x = 27,783,030,983.87/185,878.40
  6. Step 6: Final answer
    x = 149,468.86

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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.