Home / 239,729.20-359,814.68-121,483.24

Finding the Fourth Proportional to 239,729.20, 359,814.68 and 121,483.24

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Solution

The fourth proportional to 239,729.20, 359,814.68 and 121,483.24 is: 182,336.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,729.20 : 359,814.68 = 121,483.24 : x
  2. Step 2: Convert to fraction form
    239,729.20/359,814.68 = 121,483.24/x
  3. Step 3: Cross multiply
    239,729.20x = 359,814.68 × 121,483.24
  4. Step 4: Simplify right side
    239,729.20x = 43,711,453,125.96
  5. Step 5: Solve for x
    x = 43,711,453,125.96/239,729.20
  6. Step 6: Final answer
    x = 182,336.79

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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.