Home / 112,894.32-155,820.60-82,723.44

Finding the Fourth Proportional to 112,894.32, 155,820.60 and 82,723.44

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Solution

The fourth proportional to 112,894.32, 155,820.60 and 82,723.44 is: 114,177.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,894.32 : 155,820.60 = 82,723.44 : x
  2. Step 2: Convert to fraction form
    112,894.32/155,820.60 = 82,723.44/x
  3. Step 3: Cross multiply
    112,894.32x = 155,820.60 × 82,723.44
  4. Step 4: Simplify right side
    112,894.32x = 12,890,016,054.86
  5. Step 5: Solve for x
    x = 12,890,016,054.86/112,894.32
  6. Step 6: Final answer
    x = 114,177.72

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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.