Home / 113,607.20-170,409.20-51,277.60

Finding the Fourth Proportional to 113,607.20, 170,409.20 and 51,277.60

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Solution

The fourth proportional to 113,607.20, 170,409.20 and 51,277.60 is: 76,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.20 : 170,409.20 = 51,277.60 : x
  2. Step 2: Convert to fraction form
    113,607.20/170,409.20 = 51,277.60/x
  3. Step 3: Cross multiply
    113,607.20x = 170,409.20 × 51,277.60
  4. Step 4: Simplify right side
    113,607.20x = 8,738,174,793.92
  5. Step 5: Solve for x
    x = 8,738,174,793.92/113,607.20
  6. Step 6: Final answer
    x = 76,915.68

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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.