Home / 130,983.87-196,311.40-56,015.83

Finding the Fourth Proportional to 130,983.87, 196,311.40 and 56,015.83

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Solution

The fourth proportional to 130,983.87, 196,311.40 and 56,015.83 is: 83,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,983.87 : 196,311.40 = 56,015.83 : x
  2. Step 2: Convert to fraction form
    130,983.87/196,311.40 = 56,015.83/x
  3. Step 3: Cross multiply
    130,983.87x = 196,311.40 × 56,015.83
  4. Step 4: Simplify right side
    130,983.87x = 10,996,545,378.64
  5. Step 5: Solve for x
    x = 10,996,545,378.64/130,983.87
  6. Step 6: Final answer
    x = 83,953.43

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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.