Home / 131,011.43-196,265.63-74,685.24

Finding the Fourth Proportional to 131,011.43, 196,265.63 and 74,685.24

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Solution

The fourth proportional to 131,011.43, 196,265.63 and 74,685.24 is: 111,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,011.43 : 196,265.63 = 74,685.24 : x
  2. Step 2: Convert to fraction form
    131,011.43/196,265.63 = 74,685.24/x
  3. Step 3: Cross multiply
    131,011.43x = 196,265.63 × 74,685.24
  4. Step 4: Simplify right side
    131,011.43x = 14,658,145,867.01
  5. Step 5: Solve for x
    x = 14,658,145,867.01/131,011.43
  6. Step 6: Final answer
    x = 111,884.49

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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.