Home / 120,903.22-181,331.21-114,902.11

Finding the Fourth Proportional to 120,903.22, 181,331.21 and 114,902.11

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Solution

The fourth proportional to 120,903.22, 181,331.21 and 114,902.11 is: 172,330.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,903.22 : 181,331.21 = 114,902.11 : x
  2. Step 2: Convert to fraction form
    120,903.22/181,331.21 = 114,902.11/x
  3. Step 3: Cross multiply
    120,903.22x = 181,331.21 × 114,902.11
  4. Step 4: Simplify right side
    120,903.22x = 20,835,338,637.85
  5. Step 5: Solve for x
    x = 20,835,338,637.85/120,903.22
  6. Step 6: Final answer
    x = 172,330.72

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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.