Home / 122,326.20-183,489.30-118,049.40

Finding the Fourth Proportional to 122,326.20, 183,489.30 and 118,049.40

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Solution

The fourth proportional to 122,326.20, 183,489.30 and 118,049.40 is: 177,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,326.20 : 183,489.30 = 118,049.40 : x
  2. Step 2: Convert to fraction form
    122,326.20/183,489.30 = 118,049.40/x
  3. Step 3: Cross multiply
    122,326.20x = 183,489.30 × 118,049.40
  4. Step 4: Simplify right side
    122,326.20x = 21,660,801,771.42
  5. Step 5: Solve for x
    x = 21,660,801,771.42/122,326.20
  6. Step 6: Final answer
    x = 177,074.10

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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.