Home / 130,328.40-195,453.60-67,964.88

Finding the Fourth Proportional to 130,328.40, 195,453.60 and 67,964.88

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Solution

The fourth proportional to 130,328.40, 195,453.60 and 67,964.88 is: 101,926.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,328.40 : 195,453.60 = 67,964.88 : x
  2. Step 2: Convert to fraction form
    130,328.40/195,453.60 = 67,964.88/x
  3. Step 3: Cross multiply
    130,328.40x = 195,453.60 × 67,964.88
  4. Step 4: Simplify right side
    130,328.40x = 13,283,980,469.57
  5. Step 5: Solve for x
    x = 13,283,980,469.57/130,328.40
  6. Step 6: Final answer
    x = 101,926.98

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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.