Home / 272,440.88-408,657.21-122,575.34

Finding the Fourth Proportional to 272,440.88, 408,657.21 and 122,575.34

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Solution

The fourth proportional to 272,440.88, 408,657.21 and 122,575.34 is: 183,861.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,440.88 : 408,657.21 = 122,575.34 : x
  2. Step 2: Convert to fraction form
    272,440.88/408,657.21 = 122,575.34/x
  3. Step 3: Cross multiply
    272,440.88x = 408,657.21 × 122,575.34
  4. Step 4: Simplify right side
    272,440.88x = 50,091,294,415.92
  5. Step 5: Solve for x
    x = 50,091,294,415.92/272,440.88
  6. Step 6: Final answer
    x = 183,861.16

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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.