Home / 130,634.40-195,433.20-113,296.80

Finding the Fourth Proportional to 130,634.40, 195,433.20 and 113,296.80

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Solution

The fourth proportional to 130,634.40, 195,433.20 and 113,296.80 is: 169,495.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,634.40 : 195,433.20 = 113,296.80 : x
  2. Step 2: Convert to fraction form
    130,634.40/195,433.20 = 113,296.80/x
  3. Step 3: Cross multiply
    130,634.40x = 195,433.20 × 113,296.80
  4. Step 4: Simplify right side
    130,634.40x = 22,141,956,173.76
  5. Step 5: Solve for x
    x = 22,141,956,173.76/130,634.40
  6. Step 6: Final answer
    x = 169,495.60

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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.