Home / 120,951.02-181,198.95-70,882.39

Finding the Fourth Proportional to 120,951.02, 181,198.95 and 70,882.39

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Solution

The fourth proportional to 120,951.02, 181,198.95 and 70,882.39 is: 106,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,951.02 : 181,198.95 = 70,882.39 : x
  2. Step 2: Convert to fraction form
    120,951.02/181,198.95 = 70,882.39/x
  3. Step 3: Cross multiply
    120,951.02x = 181,198.95 × 70,882.39
  4. Step 4: Simplify right side
    120,951.02x = 12,843,814,287.08
  5. Step 5: Solve for x
    x = 12,843,814,287.08/120,951.02
  6. Step 6: Final answer
    x = 106,190.21

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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.