Home / 130,310.55-195,442.50-39,107.37

Finding the Fourth Proportional to 130,310.55, 195,442.50 and 39,107.37

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Solution

The fourth proportional to 130,310.55, 195,442.50 and 39,107.37 is: 58,654.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,310.55 : 195,442.50 = 39,107.37 : x
  2. Step 2: Convert to fraction form
    130,310.55/195,442.50 = 39,107.37/x
  3. Step 3: Cross multiply
    130,310.55x = 195,442.50 × 39,107.37
  4. Step 4: Simplify right side
    130,310.55x = 7,643,242,161.23
  5. Step 5: Solve for x
    x = 7,643,242,161.23/130,310.55
  6. Step 6: Final answer
    x = 58,654.05

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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.