Home / 132,856.66-199,116.51-131,450.50

Finding the Fourth Proportional to 132,856.66, 199,116.51 and 131,450.50

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Solution

The fourth proportional to 132,856.66, 199,116.51 and 131,450.50 is: 197,009.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,856.66 : 199,116.51 = 131,450.50 : x
  2. Step 2: Convert to fraction form
    132,856.66/199,116.51 = 131,450.50/x
  3. Step 3: Cross multiply
    132,856.66x = 199,116.51 × 131,450.50
  4. Step 4: Simplify right side
    132,856.66x = 26,173,964,797.76
  5. Step 5: Solve for x
    x = 26,173,964,797.76/132,856.66
  6. Step 6: Final answer
    x = 197,009.05

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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.