Home / 130,295.34-195,188.49-89,761.70

Finding the Fourth Proportional to 130,295.34, 195,188.49 and 89,761.70

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Solution

The fourth proportional to 130,295.34, 195,188.49 and 89,761.70 is: 134,467.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,295.34 : 195,188.49 = 89,761.70 : x
  2. Step 2: Convert to fraction form
    130,295.34/195,188.49 = 89,761.70/x
  3. Step 3: Cross multiply
    130,295.34x = 195,188.49 × 89,761.70
  4. Step 4: Simplify right side
    130,295.34x = 17,520,451,170.80
  5. Step 5: Solve for x
    x = 17,520,451,170.80/130,295.34
  6. Step 6: Final answer
    x = 134,467.21

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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.