Home / 130,941.91-196,260.54-74,821.37

Finding the Fourth Proportional to 130,941.91, 196,260.54 and 74,821.37

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Solution

The fourth proportional to 130,941.91, 196,260.54 and 74,821.37 is: 112,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,941.91 : 196,260.54 = 74,821.37 : x
  2. Step 2: Convert to fraction form
    130,941.91/196,260.54 = 74,821.37/x
  3. Step 3: Cross multiply
    130,941.91x = 196,260.54 × 74,821.37
  4. Step 4: Simplify right side
    130,941.91x = 14,684,481,217.86
  5. Step 5: Solve for x
    x = 14,684,481,217.86/130,941.91
  6. Step 6: Final answer
    x = 112,145.00

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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.