Home / 131,004.39-196,487.46-64,426.65

Finding the Fourth Proportional to 131,004.39, 196,487.46 and 64,426.65

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Solution

The fourth proportional to 131,004.39, 196,487.46 and 64,426.65 is: 96,630.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,004.39 : 196,487.46 = 64,426.65 : x
  2. Step 2: Convert to fraction form
    131,004.39/196,487.46 = 64,426.65/x
  3. Step 3: Cross multiply
    131,004.39x = 196,487.46 × 64,426.65
  4. Step 4: Simplify right side
    131,004.39x = 12,659,028,814.81
  5. Step 5: Solve for x
    x = 12,659,028,814.81/131,004.39
  6. Step 6: Final answer
    x = 96,630.57

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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.