Home / 131,043.64-196,546.26-64,465.96

Finding the Fourth Proportional to 131,043.64, 196,546.26 and 64,465.96

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Solution

The fourth proportional to 131,043.64, 196,546.26 and 64,465.96 is: 96,689.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,043.64 : 196,546.26 = 64,465.96 : x
  2. Step 2: Convert to fraction form
    131,043.64/196,546.26 = 64,465.96/x
  3. Step 3: Cross multiply
    131,043.64x = 196,546.26 × 64,465.96
  4. Step 4: Simplify right side
    131,043.64x = 12,670,543,335.31
  5. Step 5: Solve for x
    x = 12,670,543,335.31/131,043.64
  6. Step 6: Final answer
    x = 96,689.49

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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.