Home / 130,158.80-195,092.40-55,266.20

Finding the Fourth Proportional to 130,158.80, 195,092.40 and 55,266.20

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Solution

The fourth proportional to 130,158.80, 195,092.40 and 55,266.20 is: 82,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,158.80 : 195,092.40 = 55,266.20 : x
  2. Step 2: Convert to fraction form
    130,158.80/195,092.40 = 55,266.20/x
  3. Step 3: Cross multiply
    130,158.80x = 195,092.40 × 55,266.20
  4. Step 4: Simplify right side
    130,158.80x = 10,782,015,596.88
  5. Step 5: Solve for x
    x = 10,782,015,596.88/130,158.80
  6. Step 6: Final answer
    x = 82,837.39

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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.