Home / 130,086.98-195,107.79-36,570.50

Finding the Fourth Proportional to 130,086.98, 195,107.79 and 36,570.50

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Solution

The fourth proportional to 130,086.98, 195,107.79 and 36,570.50 is: 54,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,086.98 : 195,107.79 = 36,570.50 : x
  2. Step 2: Convert to fraction form
    130,086.98/195,107.79 = 36,570.50/x
  3. Step 3: Cross multiply
    130,086.98x = 195,107.79 × 36,570.50
  4. Step 4: Simplify right side
    130,086.98x = 7,135,189,434.20
  5. Step 5: Solve for x
    x = 7,135,189,434.20/130,086.98
  6. Step 6: Final answer
    x = 54,849.37

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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.