Home / 130,200.48-195,259.92-67,836.96

Finding the Fourth Proportional to 130,200.48, 195,259.92 and 67,836.96

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Solution

The fourth proportional to 130,200.48, 195,259.92 and 67,836.96 is: 101,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,200.48 : 195,259.92 = 67,836.96 : x
  2. Step 2: Convert to fraction form
    130,200.48/195,259.92 = 67,836.96/x
  3. Step 3: Cross multiply
    130,200.48x = 195,259.92 × 67,836.96
  4. Step 4: Simplify right side
    130,200.48x = 13,245,839,382.64
  5. Step 5: Solve for x
    x = 13,245,839,382.64/130,200.48
  6. Step 6: Final answer
    x = 101,734.18

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1.5x scale

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.