Home / 130,722.66-196,065.36-41,983.92

Finding the Fourth Proportional to 130,722.66, 196,065.36 and 41,983.92

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Solution

The fourth proportional to 130,722.66, 196,065.36 and 41,983.92 is: 62,969.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,722.66 : 196,065.36 = 41,983.92 : x
  2. Step 2: Convert to fraction form
    130,722.66/196,065.36 = 41,983.92/x
  3. Step 3: Cross multiply
    130,722.66x = 196,065.36 × 41,983.92
  4. Step 4: Simplify right side
    130,722.66x = 8,231,592,389.01
  5. Step 5: Solve for x
    x = 8,231,592,389.01/130,722.66
  6. Step 6: Final answer
    x = 62,969.90

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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.