Home / 130,045.13-195,067.69-36,550.88

Finding the Fourth Proportional to 130,045.13, 195,067.69 and 36,550.88

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Solution

The fourth proportional to 130,045.13, 195,067.69 and 36,550.88 is: 54,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,045.13 : 195,067.69 = 36,550.88 : x
  2. Step 2: Convert to fraction form
    130,045.13/195,067.69 = 36,550.88/x
  3. Step 3: Cross multiply
    130,045.13x = 195,067.69 × 36,550.88
  4. Step 4: Simplify right side
    130,045.13x = 7,129,895,729.07
  5. Step 5: Solve for x
    x = 7,129,895,729.07/130,045.13
  6. Step 6: Final answer
    x = 54,826.32

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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.