Home / 130,461.20-195,764.70-55,568.60

Finding the Fourth Proportional to 130,461.20, 195,764.70 and 55,568.60

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Solution

The fourth proportional to 130,461.20, 195,764.70 and 55,568.60 is: 83,383.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,461.20 : 195,764.70 = 55,568.60 : x
  2. Step 2: Convert to fraction form
    130,461.20/195,764.70 = 55,568.60/x
  3. Step 3: Cross multiply
    130,461.20x = 195,764.70 × 55,568.60
  4. Step 4: Simplify right side
    130,461.20x = 10,878,370,308.42
  5. Step 5: Solve for x
    x = 10,878,370,308.42/130,461.20
  6. Step 6: Final answer
    x = 83,383.95

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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.