Home / 130,852.10-196,278.15-121,229.30

Finding the Fourth Proportional to 130,852.10, 196,278.15 and 121,229.30

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Solution

The fourth proportional to 130,852.10, 196,278.15 and 121,229.30 is: 181,843.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,852.10 : 196,278.15 = 121,229.30 : x
  2. Step 2: Convert to fraction form
    130,852.10/196,278.15 = 121,229.30/x
  3. Step 3: Cross multiply
    130,852.10x = 196,278.15 × 121,229.30
  4. Step 4: Simplify right side
    130,852.10x = 23,794,662,729.80
  5. Step 5: Solve for x
    x = 23,794,662,729.80/130,852.10
  6. Step 6: Final answer
    x = 181,843.95

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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.