Home / 130,016.06-194,985.45-55,135.10

Finding the Fourth Proportional to 130,016.06, 194,985.45 and 55,135.10

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Solution

The fourth proportional to 130,016.06, 194,985.45 and 55,135.10 is: 82,686.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,016.06 : 194,985.45 = 55,135.10 : x
  2. Step 2: Convert to fraction form
    130,016.06/194,985.45 = 55,135.10/x
  3. Step 3: Cross multiply
    130,016.06x = 194,985.45 × 55,135.10
  4. Step 4: Simplify right side
    130,016.06x = 10,750,542,284.30
  5. Step 5: Solve for x
    x = 10,750,542,284.30/130,016.06
  6. Step 6: Final answer
    x = 82,686.26

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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.