Home / 130,015.06-194,983.95-55,134.10

Finding the Fourth Proportional to 130,015.06, 194,983.95 and 55,134.10

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Solution

The fourth proportional to 130,015.06, 194,983.95 and 55,134.10 is: 82,684.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,015.06 : 194,983.95 = 55,134.10 : x
  2. Step 2: Convert to fraction form
    130,015.06/194,983.95 = 55,134.10/x
  3. Step 3: Cross multiply
    130,015.06x = 194,983.95 × 55,134.10
  4. Step 4: Simplify right side
    130,015.06x = 10,750,264,597.70
  5. Step 5: Solve for x
    x = 10,750,264,597.70/130,015.06
  6. Step 6: Final answer
    x = 82,684.76

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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.