Home / 268,623.76-402,796.95-79,059.50

Finding the Fourth Proportional to 268,623.76, 402,796.95 and 79,059.50

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Solution

The fourth proportional to 268,623.76, 402,796.95 and 79,059.50 is: 118,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,623.76 : 402,796.95 = 79,059.50 : x
  2. Step 2: Convert to fraction form
    268,623.76/402,796.95 = 79,059.50/x
  3. Step 3: Cross multiply
    268,623.76x = 402,796.95 × 79,059.50
  4. Step 4: Simplify right side
    268,623.76x = 31,844,923,454.54
  5. Step 5: Solve for x
    x = 31,844,923,454.54/268,623.76
  6. Step 6: Final answer
    x = 118,548.43

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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.