Home / 130,539.27-195,763.77-67,392.36

Finding the Fourth Proportional to 130,539.27, 195,763.77 and 67,392.36

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Solution

The fourth proportional to 130,539.27, 195,763.77 and 67,392.36 is: 101,065.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,539.27 : 195,763.77 = 67,392.36 : x
  2. Step 2: Convert to fraction form
    130,539.27/195,763.77 = 67,392.36/x
  3. Step 3: Cross multiply
    130,539.27x = 195,763.77 × 67,392.36
  4. Step 4: Simplify right side
    130,539.27x = 13,192,982,462.80
  5. Step 5: Solve for x
    x = 13,192,982,462.80/130,539.27
  6. Step 6: Final answer
    x = 101,065.24

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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.