Home / 130,414.30-195,694.13-70,441.56

Finding the Fourth Proportional to 130,414.30, 195,694.13 and 70,441.56

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Solution

The fourth proportional to 130,414.30, 195,694.13 and 70,441.56 is: 105,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,414.30 : 195,694.13 = 70,441.56 : x
  2. Step 2: Convert to fraction form
    130,414.30/195,694.13 = 70,441.56/x
  3. Step 3: Cross multiply
    130,414.30x = 195,694.13 × 70,441.56
  4. Step 4: Simplify right side
    130,414.30x = 13,785,000,377.33
  5. Step 5: Solve for x
    x = 13,785,000,377.33/130,414.30
  6. Step 6: Final answer
    x = 105,701.60

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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.