Home / 120,891.10-181,336.65-96,007.90

Finding the Fourth Proportional to 120,891.10, 181,336.65 and 96,007.90

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Solution

The fourth proportional to 120,891.10, 181,336.65 and 96,007.90 is: 144,011.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,891.10 : 181,336.65 = 96,007.90 : x
  2. Step 2: Convert to fraction form
    120,891.10/181,336.65 = 96,007.90/x
  3. Step 3: Cross multiply
    120,891.10x = 181,336.65 × 96,007.90
  4. Step 4: Simplify right side
    120,891.10x = 17,409,750,959.54
  5. Step 5: Solve for x
    x = 17,409,750,959.54/120,891.10
  6. Step 6: Final answer
    x = 144,011.85

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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.