Home / 239,362.12-359,157.26-149,380.40

Finding the Fourth Proportional to 239,362.12, 359,157.26 and 149,380.40

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Solution

The fourth proportional to 239,362.12, 359,157.26 and 149,380.40 is: 224,141.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,362.12 : 359,157.26 = 149,380.40 : x
  2. Step 2: Convert to fraction form
    239,362.12/359,157.26 = 149,380.40/x
  3. Step 3: Cross multiply
    239,362.12x = 359,157.26 × 149,380.40
  4. Step 4: Simplify right side
    239,362.12x = 53,651,055,161.70
  5. Step 5: Solve for x
    x = 53,651,055,161.70/239,362.12
  6. Step 6: Final answer
    x = 224,141.79

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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.