Home / 130,942.91-196,262.04-74,822.37

Finding the Fourth Proportional to 130,942.91, 196,262.04 and 74,822.37

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Solution

The fourth proportional to 130,942.91, 196,262.04 and 74,822.37 is: 112,146.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,942.91 : 196,262.04 = 74,822.37 : x
  2. Step 2: Convert to fraction form
    130,942.91/196,262.04 = 74,822.37/x
  3. Step 3: Cross multiply
    130,942.91x = 196,262.04 × 74,822.37
  4. Step 4: Simplify right side
    130,942.91x = 14,684,790,973.83
  5. Step 5: Solve for x
    x = 14,684,790,973.83/130,942.91
  6. Step 6: Final answer
    x = 112,146.51

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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.