Home / 115,766.64-173,650.12-109,856.88

Finding the Fourth Proportional to 115,766.64, 173,650.12 and 109,856.88

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Solution

The fourth proportional to 115,766.64, 173,650.12 and 109,856.88 is: 164,785.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,766.64 : 173,650.12 = 109,856.88 : x
  2. Step 2: Convert to fraction form
    115,766.64/173,650.12 = 109,856.88/x
  3. Step 3: Cross multiply
    115,766.64x = 173,650.12 × 109,856.88
  4. Step 4: Simplify right side
    115,766.64x = 19,076,660,394.83
  5. Step 5: Solve for x
    x = 19,076,660,394.83/115,766.64
  6. Step 6: Final answer
    x = 164,785.47

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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.