Home / 130,626.87-196,383.24-104,309.07

Finding the Fourth Proportional to 130,626.87, 196,383.24 and 104,309.07

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Solution

The fourth proportional to 130,626.87, 196,383.24 and 104,309.07 is: 156,817.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,626.87 : 196,383.24 = 104,309.07 : x
  2. Step 2: Convert to fraction form
    130,626.87/196,383.24 = 104,309.07/x
  3. Step 3: Cross multiply
    130,626.87x = 196,383.24 × 104,309.07
  4. Step 4: Simplify right side
    130,626.87x = 20,484,553,127.99
  5. Step 5: Solve for x
    x = 20,484,553,127.99/130,626.87
  6. Step 6: Final answer
    x = 156,817.30

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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.