Home / 130,698.22-195,731.56-74,367.70

Finding the Fourth Proportional to 130,698.22, 195,731.56 and 74,367.70

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Solution

The fourth proportional to 130,698.22, 195,731.56 and 74,367.70 is: 111,371.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,698.22 : 195,731.56 = 74,367.70 : x
  2. Step 2: Convert to fraction form
    130,698.22/195,731.56 = 74,367.70/x
  3. Step 3: Cross multiply
    130,698.22x = 195,731.56 × 74,367.70
  4. Step 4: Simplify right side
    130,698.22x = 14,556,105,934.61
  5. Step 5: Solve for x
    x = 14,556,105,934.61/130,698.22
  6. Step 6: Final answer
    x = 111,371.88

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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.